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Upgrading your Cadillac CTS cat-back exhaust system can change how the car breathes, sounds, and responds under throttle. The right system improves exhaust flow and delivers a more engaging engine note while maintaining proper fitment to factory mounting points. This guide presents our seven shortlisted options, each chosen for quality of construction, expected fit, and likely sound characteristics.Below you will find concise guidance on what to expect from each type of cat-back and which criteria we prioritized during our selection. Use this as a practical starting point before deciding which setup best matches your driving goals.
Looking for other parts? See all Cadillac CTS parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Borla 140754BC Cat-Back Performance Exhaust System for 2016-2019 Cadillac CTS-V |  |
| Best Quality Built to a higher standard if you want something more solid | Genuine GM Cat-Back Exhaust System (19329326) |  |
| Best Value The sweet spot between price and what you get | DNA MOTORING Cat-Back Exhaust System for 09-14 Cadillac CTS-V Sedan 6.2L |  |
| Best Budget The cheapest option that still gets the job done reliably | BEZT Stainless Steel Cat-Back Exhaust System with Dual 4.5" Tips for 2009–2014 Cadillac CTS-V Sedan 6.2L |  |
| Highest Rated A top-rated pick with lots of positive feedback | MBRP S5200AL 3" Cat-Back Single-Side Exhaust System (Aluminized Steel) |  |
| Most popular A crowd favorite that many people choose with confidence | MBRP S5014AL 3" Cat-Back Single-Side Exhaust System (Aluminized Steel) |  |
| Best Seller A high-volume bestseller chosen again and again | MBRP S5236AL 3" Aluminized Steel Single Side Exit Cat-Back Exhaust System |  |
1. Borla 140754BC Cat-Back Performance Exhaust System for 2016-2019 Cadillac CTS-V
| Material | T-304 Stainless Steel |
|---|---|
| Fitment | 2016-2019 Cadillac CTS-V |
| Installation | Bolt On |
| Construction | All Welded |
This Borla cat-back replaces the factory rear section on 2016–2019 Cadillac CTS-V and is built from T-304 stainless steel with all-welded construction for corrosion resistance and durability. It is designed to produce the brand's classic aggressive exhaust note while retaining bolt-on installation for a relatively straightforward swap. Notable features include vehicle-specific fitment for the CTS-V, integrated exhaust valves, and a painted exterior finish that matches underbody components. In practice the system sharpens throttle response feedback and gives the V8 a fuller, sportier tone at cruise and under load, which helps drivers monitor engine speed without electronic aids. The finished construction and stainless material support long-term use, but buyers should expect a louder cabin and some drone depending on cruising RPMs since this is a performance-oriented system. Installation is simplified compared with custom systems, yet professional alignment or shop installation is recommended for best fit and to ensure valve operation is correct.
Best for: Balanced buyers who want a factory-quality, performance-oriented exhaust that improves sound and driving feedback on a Cadillac CTS-V while remaining a relatively straightforward install.
Less Ideal for: Drivers seeking a near-silent or strictly OEM-silent replacement or those who prioritize the absolute lightest-weight aftermarket components.
- T-304 stainless steel construction for corrosion resistance and longevity
- Vehicle-specific cat-back design with bolt-on installation for 2016–2019 CTS-V
- Integrated exhaust valves allow a balance between aggressive sound and controlled flow
- All-welded construction and painted exterior for durable, finished appearance
- Performance-focused tuning can produce noticeable cabin drone at certain highway RPMs
- Heavier and more substantial than some lighter aftermarket systems, which may affect handling marginally
Verdict: A durable, vehicle-specific cat-back that sharpens the CTS-V's exhaust note and driving feedback while keeping installation straightforward.
2. Genuine GM Cat-Back Exhaust System (19329326)
| Material | Stainless steel |
|---|---|
| Bend type | Mandrel-bent |
| Country of Origin | United States |
This Genuine GM cat-back exhaust system is a full stainless steel replacement designed to restore or upgrade the factory exhaust path on compatible Cadillac CTS models. It uses smooth mandrel-bent tubing to reduce flow restriction compared with crimped bends, which helps exhaust gases move more freely and can support better engine responsiveness under load. The stainless construction improves corrosion resistance over time compared with mild steel systems and maintains a factory-quality appearance and fit when installed. This system is intended for direct replacement use and delivers practical benefits like durable materials and consistent fitment without requiring custom fabrication. Trade-offs are that it is a factory-style performance part focused on quality and longevity rather than aggressive sound tuning, and installation may require lifted access or professional installation to ensure proper alignment and hangers are secured.
Best for: Performance-oriented Cadillac CTS owners who prioritize build quality and durable, factory-compatible upgrades to maintain or modestly improve exhaust flow and responsiveness.
Less Ideal for: Buyers seeking an aggressive aftermarket sound profile or significant horsepower gains should look at performance-focused systems with different tuning and muffler designs.
- Full stainless steel construction for improved corrosion resistance
- Smooth mandrel-bent tubing reduces flow restriction for better exhaust flow
- Factory-quality fit and finish designed by General Motors for direct replacement
- Made in the United States, supporting consistent manufacturing standards
- Designed as a factory-style replacement so it does not prioritize aggressive exhaust tone or major power gains
Verdict: A factory-quality stainless steel cat-back exhaust that prioritizes durability and improved flow with a direct-fit design for Cadillac CTS owners seeking a high-quality replacement.
3. DNA MOTORING Cat-Back Exhaust System for 09-14 Cadillac CTS-V Sedan 6.2L
| Compatible Vehicle | 09-14 Cadillac CTS-V Sedan 6.2L |
|---|---|
| Material Type | 304 Stainless Steel / Aluminized |
| Inlet / Outlet Diameter | 2.5" OD / 2.5" OD |
| Tip Type | Double Walled Diagonal Cut Tip |
This DNA MOTORING cat-back replaces the factory rear exhaust on 2009–2014 Cadillac CTS-V sedans with a stainless steel system featuring mandrel bends, tuned resonators, and double-walled diagonal cut tips. It is installed in the exhaust path behind the catalytic converters to lower backpressure, which the manufacturer says yields a measurable horsepower and torque gain and a louder, more aggressive exhaust note. The kit includes gaskets and hardware but does not come with installation instructions so professional fitting is recommended; some buyers report adjusting hangers or minor welding to correct tip alignment. Built from T-304/aluminized stainless and TIG-welded flanges, the system is durable and resists corrosion better than mild steel alternatives. Expect a noticeable sound and potential low-end performance improvement, though fitment may require a shop visit for a precise alignment. This unit suits owners seeking an affordable performance upgrade that delivers sound and throttle response improvements without the premium price of high-end brands.
Best for: Practical optimizers who want a cost-conscious performance upgrade for their CTS-V that prioritizes stronger sound and improved low-end response without spending on premium name-brand systems.
Less Ideal for: Buyers seeking a perfect bolt-on, factory-exact fit or a plug-and-play premium exhaust with full support documentation should consider higher-end or dealer-backed alternatives.
- Made of T-304/aluminized stainless steel with mandrel bends for improved flow and corrosion resistance
- Designed resonators and low-restriction mufflers that reduce backpressure and produce a deeper, aggressive tone
- Includes gaskets and hardware for a mostly complete install
- Double-walled diagonal-cut tips give a finished, sporty appearance
- No installation instructions included, increasing the chance of professional installation costs
- Some users report fitment or hanger alignment issues that may require cutting, welding, or adjustments at an exhaust shop
Verdict: An affordable stainless-steel cat-back for the 09–14 CTS-V that delivers louder, more aggressive sound and tangible low-end performance gains for budget-minded owners.
4. BEZT Stainless Steel Cat-Back Exhaust System with Dual 4.5" Tips for 2009–2014 Cadillac CTS-V Sedan 6.2L
| Compatible with Vehicle Type | Car |
|---|---|
| Installation Type | Bolt-On |
| Automotive Fit Type | Vehicle Specific Fit |
| Material Type | Stainless Steel |
This BEZT cat-back exhaust replaces the rear section of the factory system on 2009–2014 Cadillac CTS-V sedans and is intended as a bolt-on performance upgrade. Constructed from stainless steel with welded and flanged joints, it installs using included clamps and hardware or can be welded for a more permanent fit. The twin mufflers with 4.5-inch tips are tuned to deliver a deeper, mellower tone and reduced backpressure compared with a stock rear section, which can make the V8 sound fuller without excessive drone. As a budget-oriented option the fit is vehicle-specific for easier installation, but finish and long-term corrosion resistance may not match premium branded systems. The kit includes inlet and outlet pieces and all visible tips are polished for a factory-like appearance, though buyers seeking the highest flow gains or the lightest-weight materials should consider higher-end competitors. For cost-conscious CTS-V owners this system balances improved sound and straightforward installation at a modest price point.
Best for: Budget-conscious Cadillac CTS-V owners who want an easier-to-install rear exhaust upgrade that improves sound and appearance without a large investment.
Less Ideal for: Enthusiasts seeking maximum flow, the lightest materials, or the highest-end corrosion resistance should consider premium systems instead.
- Vehicle-specific bolt-on design simplifies installation on 2009–2014 CTS-V sedans
- Stainless steel construction with welded and flanged joints for improved durability over mild-steel kits
- Dual mufflers with 4.5" polished tips deliver a deeper, fuller V8 tone
- Includes necessary hardware and clamps for direct replacement
- Likely not as corrosion-resistant or lightweight as premium-name-brand exhausts
- Sound tuning aims for a mellow tone and may not satisfy drivers seeking an aggressive growl
Verdict: An affordable, vehicle-specific stainless steel cat-back that gives 2009–2014 CTS-V sedans a deeper, polished exhaust tone with straightforward bolt-on installation.
5. MBRP S5200AL 3" Cat-Back Single-Side Exhaust System (Aluminized Steel)
| Installation Type | Clamp-On |
|---|---|
| Finish Type | ALUMINIZED |
| Manufacturer | MBRP |
| OEM Part Number | S5200AL |
This MBRP Installer Series cat-back is a budget-conscious performance exhaust built from heavy aluminized steel and designed for a direct-fit, clamp-on installation. It replaces the factory rear section to open up exhaust flow, sharpen throttle response and produce a deeper, more aggressive tone. Typical use is a straightforward one- to two-hour bolt-on swap using factory hangers and the included clamps and hardware; some vehicle-specific trimming of the mid-pipe may be required. The heavy gauge aluminized construction and seam coating resist corrosion better than thin commodity systems, and the package claims measurable gains in torque and horsepower plus a small fuel-economy improvement. Expect a pronounced but not overly aggressive sound that some drivers report as having slight highway drone at certain RPMs. This system balances improved performance and durability for drivers who want reliable, long-lasting upgrades without the premium cost of stainless systems.
Best for: A reliability-focused buyer who wants a durable, factory-quality-feeling cat-back that improves sound and driveability without paying for premium stainless components.
Less Ideal for: Drivers seeking the quietest possible highway behavior or a corrosion-proof stainless system for coastal conditions should consider higher-end stainless options instead.
- Heavy gauge aluminized steel with coated seams for better corrosion resistance than many economy systems
- Bolt-on clamp-on design uses factory hangers and includes clamps and hardware for easier installation
- 3-inch piping improves exhaust flow to enhance throttle response and peak torque
- Tuned for a deeper, mellow exhaust note that is louder than stock without being extreme
- Aluminized steel is less corrosion-resistant long term than stainless steel options
- Some users report a noticeable drone at highway cruising RPMs
- May require cutting or trimming of the mid-pipe and occasional minor hanger adjustments during fitment
Verdict: Solid, installer-focused cat-back that delivers better flow and sound with durable aluminized construction for buyers prioritizing reliability on a budget.
6. MBRP S5014AL 3" Cat-Back Single-Side Exhaust System (Aluminized Steel)
| Installation Type | Clamp-On |
|---|---|
| Finish Type | Polished |
| Model | S5014AL |
| Manufacturer | MBRP |
This MBRP S5014AL cat-back replaces the factory rear exhaust from the catalytic converter back with a clamp-on, bolt-on system that uses OEM hanger locations and includes the necessary clamps and hardware. It is typically installed with common hand tools in about one to two hours and aims to free up exhaust flow for measurable gains in torque and horsepower while producing a richer, mellow tone with limited cabin drone. The installer-series construction uses heavy gauge aluminized steel with a stainless mirror-polished tip to cut cost compared with premium stainless systems while still resisting corrosion better than plain steel. Practical benefits include direct-fit hangers for a straightforward install, a noticeable sound and performance bump, and an included parts kit so you do not need additional components in many cases. Limitations are that the aluminized finish is not stainless steel and will age differently, some buyers report needing a 3" exhaust gasket or minor flange adjustments during installation, and long-term durability will not match higher-grade stainless systems.
Best for: A convenience-driven buyer who wants a straightforward, mostly bolt-on upgrade to improve sound and performance with minimal garage time and basic hand tools.
Less Ideal for: Drivers seeking the longest-term corrosion resistance or the highest-end finish should consider full stainless systems or premium options instead.
- Bolt-on clamp-on design that fits factory hanger locations for an easy 1–2 hour install
- Designed to increase torque and horsepower by improving exhaust flow
- Heavy gauge aluminized construction with protective seam coating improves corrosion resistance over plain steel
- Includes clamps and hardware in the box so you typically do not need extra parts for installation
- Aluminized steel body will not resist corrosion as long as higher-grade stainless systems
- Some vehicles may require a 3" exhaust gasket or minor flange adjustment to seal the connection
- Appearance is aluminized steel with a stainless tip rather than full stainless finish
Verdict: A budget-friendly, bolt-on cat-back that gives a Cadillac CTS a richer sound and measurable performance lift with an easy install but without premium stainless durability.
7. MBRP S5236AL 3" Aluminized Steel Single Side Exit Cat-Back Exhaust System
| Model | S5236AL |
|---|---|
| UPC | 882663115228 |
| Manufacturer Part Number | S5236AL |
| Item Weight | 5 pounds |
This MBRP cat-back system replaces the factory rear piping with a three-inch single side exit layout designed to deliver a richer, mellow exhaust note while retaining manageable cabin sound. It is typically used to upgrade the stock exhaust on compatible vehicles to gain modest increases in torque and horsepower and a small fuel economy improvement. The system is constructed from heavy 16-gauge aluminized steel with seam protection to reduce corrosion compared with untreated steel and includes mirror-polished T304 tips for a finished look. Installation is intended for a professional or a competent DIYer using common hand tools and preassembly is recommended to ensure proper fit. Expect a noticeable sound change under acceleration but minimal drone at idle based on user reports. Limitations are that aluminized steel is less corrosion-resistant long term than stainless steel and occasional fitment or shipping-damage issues have been reported that may require minor repairs or adjustments during install.
Best for: A risk-averse mainstream buyer looking for a proven, widely sold cat-back that improves sound and modest performance without radical modifications to the car.
Less Ideal for: Buyers who prioritize maximum long-term corrosion resistance or pure performance gains should consider higher-end stainless systems or vehicle-specific performance exhausts.
- Three-inch piping and tuned design aim to improve torque and horsepower.
- Heavy 16-gauge aluminized steel construction offers better corrosion protection than plain steel.
- Mirror-polished T304 tips give a factory-quality finish.
- Designed for bolt-on installation using common hand tools and preassembly guidance.
- Aluminized steel is less durable against long-term corrosion than full stainless steel.
- Some customers reported shipping damage or fitment pieces requiring minor on-vehicle adjustment.
Verdict: A widely sold, factory-style cat-back that delivers better sound and modest performance gains at lower cost but with the corrosion compromise of aluminized steel.
Choosing the Right Cadillac CTS Cat-back Exhaust System: Key Factors to Consider
Material and Corrosion Resistance
The construction material determines how long the exhaust will last and how well it resists rust in varied climates. Stainless steel alloys tend to offer better corrosion resistance than mild steel, which matters for longevity and appearance.
Weld quality and flange construction also affect durability. Look for continuous welds and reinforced flanges to reduce the risk of leaks and cracking over time. A thicker pipe wall can help resist dents and deformation from road debris, while quality coatings or polished finishes provide additional protection.
Fitment and Mounting Compatibility
A cat-back designed for the Cadillac CTS should align with factory hangers and avoid interference with suspension or body components. Correct routing ensures the system clears heat-sensitive parts and preserves ground clearance.
Poorly matched systems increase installation time and often require additional brackets or cutting. Choosing a vehicle-specific system minimizes fabrication and helps maintain factory exhaust geometry, reducing the chance of rattles, stress on hangers, or exhaust leaks.
Pipe Diameter and Flow Characteristics
Pipe diameter influences backpressure, which affects low-end torque and high-end power. Oversized piping can reduce scavenging and lower responsiveness, while too-small piping can create excessive backpressure that hampers power as RPMs rise.
Select a diameter that complements any other engine modifications and your typical driving style. Manufacturers often publish diameter ranges and expected effects; matching those to your CTS setup helps maintain a useful torque curve while enabling potential power gains.
Muffler Design and Sound Profile
Muffler type and internal packing shape the exhaust tone and volume. Chambered designs emphasize a throaty, muscular sound, while straight-through mufflers produce a louder, more free-flowing note. Sound level also varies with resonator use and piping geometry.
Consider how often you drive in residential or urban areas, and whether you want a subdued daily driver or a more aggressive track-oriented voice. Some designs include removable packing or multiple tip options to tailor sound without swapping the entire system.
Installation Complexity and Hardware
Installation time and difficulty depend on how vehicle-specific the system is and whether it includes all necessary hardware. Systems that come with vehicle-matching hangers, gaskets, and bolts reduce the need for aftermarket parts and lower the chance of installation errors.
Factor in whether you will install the system yourself or use a shop. Self-installers should look for pre-bent sections and clear instructions. Professional installers benefit from components that fit with minimal hammering or welding to keep labor predictable.
Maintenance and Serviceability
How easy a system is to service affects long-term ownership. Removable tips, accessible clamps, and replaceable sections simplify repairs and allow for upgrades down the road. Consider whether the design permits partial replacement if a section corrodes.
Also check for manufacturer support regarding replacement parts and documented warranties. Systems that use standard-sized clamps and flanges are easier to work on, which reduces downtime and repair complexity.
How We Chose the Best Cadillac CTS Cat-back Exhaust System
We focused on components that directly affect performance, longevity, and real-world fitment for the Cadillac CTS. Key evaluation criteria included material and corrosion resistance, exhaust routing and mounting compatibility with the CTS chassis, muffler and pipe diameter choices that influence flow and tone, and the availability of required hardware and clear installation instructions. We also considered manufacturing tolerances and whether systems retain proper ground clearance and hanger placement to avoid vibration and stress.Other filters included examining how systems manage backpressure across common driving conditions and whether the design supports future modifications such as upgraded headers or tuning. We excluded systems that lack clear vehicle-specific fitment data, those made from low-grade materials prone to premature corrosion, and universal-fit components that require major fabrication. The final list reflects options that balance expected durability, sound character, and straightforward installation for the Cadillac CTS.
Our full evaluation process is outlined in our review methodology.
FAQ
Will a cat-back exhaust system increase horsepower on my Cadillac CTS?
A cat-back can often free up some exhaust flow, which may lead to modest horsepower or torque gains, especially if the factory system was restrictive. The magnitude of gains depends on pipe diameter, muffler design, and whether other intake or tuning changes are made. Expect more noticeable results when the rest of the exhaust path and engine breathing are optimized together.
How loud will a cat-back make the Cadillac CTS?
Loudness varies with muffler type, resonator presence, and piping layout. Straight-through designs tend to be louder and more aggressive, while chambered or baffled mufflers produce a more controlled tone. Many systems list expected sound characteristics so you can choose a quieter or louder voice depending on daily driving needs.
Can I install a cat-back exhaust myself?
Many cat-back systems are designed for bolt-on installation and can be fitted with basic tools, a jack, and safety stands. Vehicle-specific systems that align with factory hangers are the easiest to install. However, some setups may require cutting, new hangers, or minor adjustments, so assess your skills and available tools before attempting a DIY install.
Does pipe diameter matter for street driving?
Yes, pipe diameter affects backpressure and engine responsiveness. For most street-driven vehicles, moderate increases in diameter can improve flow without sacrificing low-end torque. Oversizing the pipe for a street car can reduce drivability, so choose a diameter that balances daily driving needs and potential performance goals.
What maintenance does a cat-back require?
Routine visual inspections for leaks, loose hangers, and corrosion are the main maintenance tasks. Cleaning tips and checking clamps and gaskets periodically helps prevent failures. If your system uses packing material, it may need replacement over many miles to maintain sound quality.
Conclusion
Choosing the right Cadillac CTS cat-back exhaust system means balancing sound, durability, and how the system integrates with your car. Prioritize material quality and fitment to avoid installation headaches and premature corrosion. Think about pipe diameter and muffler type in relation to your driving habits to get the performance and tone you want.Weigh the tradeoffs between louder, freer-flowing designs and more restrained options that preserve daily comfort. Focus on vehicle-specific fitment, sensible materials, and serviceability to ensure the system meets your long-term expectations.
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