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Upgrading your Dodge Challenger with a quality cat-back exhaust system can change how the car sounds and responds on the road. The right system affects throttle response, exhaust note, and long-term durability, so choosing carefully matters whether you drive the car daily or use it for spirited weekend runs.This guide covers six shortlisted cat-back exhaust systems that represent strong choices for the Challenger. We evaluated each pick on materials, build quality, and acoustic character to help you find the balance you want between sound, performance feel, and longevity. Read on to see which options best match different driving goals.
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Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Flowmaster Outlaw 817717 Cat-back Exhaust System |  |
| Best Quality Built to a higher standard if you want something more solid | CORSA Cat-Back Exhaust System (14975) |  |
| Best Budget The cheapest option that still gets the job done reliably | MagnaFlow Competition Series Cat-Back Exhaust System for 2015-2023 Dodge Challenger |  |
| Most Sold A high-volume bestseller chosen again and again | Flowmaster Outlaw Cat-back Exhaust System for Dodge Challenger |  |
| Best Value for Money The sweet spot between price and what you get | Borla ATAK Cat-Back Exhaust System for 2015–2023 Dodge Challenger V6 |  |
| Best Overall The best all-around choice for most situations | Borla 140628 Cat-Back Performance Exhaust System for Dodge Challenger R/T 5.7L |  |
1. Flowmaster Outlaw 817717 Cat-back Exhaust System
| Model | 817717 |
|---|---|
| Manufacturer | Flowmaster |
| Exterior | Painted |
The Flowmaster Outlaw 817717 cat-back replaces the stock rear exhaust with a scavenger X-pipe, large mandrel-bent piping, and quad polished tips to boost flow and produce a deep, aggressive note. It is installed in place of the factory rear section and is typically used by Challenger owners who want louder sound and improved midrange power without changing headers or catalytic converters. Notable features include a 3.00-inch dual exhaust path, scavenger X-pipe tuned for horsepower and torque, and 3.50-inch polished stainless tips that give a finished look. In real-world use the system breathes more freely, sharpens throttle response, and makes acceleration feel stronger while producing a pronounced, muscle-car exhaust tone that many drivers find addictive. Expect a loud initial break-in tone that settles after a few starts and potential increased cabin/drive-by noise. This is a bolt-on aftermarket option that emphasizes sound and performance rather than quiet refinement or subtlety.
Best for: A reliability-focused buyer who wants a proven, performance-oriented exhaust upgrade for a Dodge Challenger and prioritizes durable, well-engineered components over trend-driven features.
Less Ideal for: Drivers seeking a near-stock, quiet exhaust or those who need a very subtle change in sound or NVH characteristics should consider quieter alternatives.
- Scavenger X-pipe and mandrel-bent 3.00-inch piping designed to improve exhaust flow and midrange torque.
- Quad 3.50-inch polished stainless tips provide a durable, factory-quality finish.
- Dyno-tuned design aimed at delivering measurable horsepower and torque gains.
- Bolt-on cat-back format allows installation without modifying front exhaust components.
- System produces a loud, aggressive exhaust note that may be intrusive in quiet neighborhoods.
- No fitment or vehicle-specific installation hardware is listed in the product details, so professional installation or additional parts may be needed.
Verdict If you want a durable, performance-tuned cat-back that transforms a Challenger’s sound and midrange power, the Flowmaster Outlaw delivers—at the cost of much louder exhaust noise.
2. CORSA Cat-Back Exhaust System (14975)
| Brand | Corsa |
|---|---|
| Item model number | 14975 |
| Item Weight | 15 pounds |
This CORSA cat-back system replaces the factory rear exhaust with a dual-walled stainless steel setup that uses CORSA's patented Reflective Sound Cancellation (RSC) technology to produce an aggressive note under acceleration while minimizing unpleasant cabin drone during cruising. It is installed as a direct-fit cat-back and typically mounts using clamps for the exhaust tips, so installation is straightforward for a competent DIYer or a shop. Notable features include precision laser-engraved tips, dual-walled construction to resist heat distortion, and an internal acoustic design that aims to separate sound character from flow so you get added throatiness without resonance. In real use the system gives a deeper, muscular tone that comes alive under throttle and stays reasonably mild at idle, and some drivers report a small uptick in responsiveness. The system is well made but not silent under load and full performance gains may be limited by vehicle engine management without tuning. Expect solid construction and sound-focused engineering rather than major power increases on stock tuning.
Best for: Performance-oriented owners seeking a high-quality, factory-style cat-back that prioritizes a muscular sound under acceleration without intrusive cabin drone.
Less Ideal for: Drivers who want maximum horsepower gains without additional tuning or those who prefer continuously loud, attention-grabbing exhaust notes.
- RSC acoustic design provides aggressive sound under throttle while reducing cabin drone during cruise
- Premium stainless steel and dual-walled tips resist heat distortion and look factory-quality
- Direct-fit cat-back layout with clamp-on tip design simplifies installation for DIY or shops
- Laser-engraved CORSA tips add a finished appearance and durable branding
- Performance gains are modest without engine tuning to take full advantage of the freer-flowing exhaust
- Not designed to be extremely loud at idle for users wanting a constant high volume exhaust
Verdict A well-built, sound-engineered cat-back that gives a deep, aggressive tone with minimal drone but only modest power gains on stock tuning.
3. MagnaFlow Competition Series Cat-Back Exhaust System for 2015-2023 Dodge Challenger
| Frame Material | Stainless Steel |
|---|---|
| Inlet Connection Type | Clamp-On |
| Main Piping Diameter | 3" |
| Tip Diameter | 3.5" |
| Tip Length | 12.375" |
The MagnaFlow Competition Series cat-back replaces the factory rear section on 2015–2023 Dodge Challengers to improve exhaust flow, increase engine responsiveness, and produce a deep, motorsport-inspired sound. It is a direct-fit cat-back designed with clamp-on inlet connections and 3.0 inch main piping, two straight-through mufflers, and quad split rear tips to deliver a balanced aggressive tone without resorting to hacking or fabricated adapters. Constructed from stainless steel with machined polished tips, the system aims for long-term corrosion resistance and a finished look in the rear. Installation is intended for do-it-yourself fitting and includes the necessary hardware, though one reviewer noted minor fitment tweaks may be required and valve-related pipe cuts could be needed for some setups. This Competition Series focuses on on-road and track-minded drivers who want a louder, lighter, dyno-verified upgrade; it sacrifices absolute quietness and could be louder than some owners prefer.
Best for: Practical, budget-conscious Challenger owners who want a performance-focused, direct-fit exhaust that increases sound and flow without a custom fabrication process.
Less Ideal for: Buyers seeking a near-stock quiet exhaust or those who prefer a muffled touring sound should consider alternatives tuned for comfort rather than performance.
- Direct-fit cat-back designed specifically for 2015–2023 Dodge Challenger for easier installation
- Stainless steel construction and polished tips for improved corrosion resistance and appearance
- 3.0 inch main piping and straight-through mufflers for freer flow and stronger throttle response
- Competition Series tuning and dyno testing aimed at measurable performance gains
- Includes installation hardware for do-it-yourself fitment
- Sport-oriented sound can be significantly louder than stock and may not suit owners seeking a quiet exhaust
- Installation may require minor adjustments or cutting for valve-equipped setups in some cases
Verdict A cost-conscious, direct-fit performance cat-back that adds aggressive sound and improved flow to the 2015–2023 Dodge Challenger while keeping installation straightforward.
4. Flowmaster Outlaw Cat-back Exhaust System for Dodge Challenger
| Material | Stainless Steel |
|---|---|
| Inlet Connection Size | 3 Inches |
| Outlet Connection Size | 3.5 Inches |
| Number of Ports | 2 |
This Flowmaster Outlaw cat-back replaces the factory active-exhaust on 2015–2017 Dodge Challenger SRT 392, R/T Scat Pack (6.4L) and SRT Hellcat (6.2L) models equipped with the active exhaust option. It uses a dual 3.00-inch scavenger X-pipe feeding paired Super 40 Series mufflers, mandrel-bent tailpipes with active valves, and quad 3.50-inch stainless tips to boost flow and produce a pronounced wide-open exhaust note while keeping cruising volume reasonable. The system is manufactured from 409S stainless steel, ships with the necessary hardware, and is a direct-fit bolt-on intended for professional or well-equipped DIY installation. Practical benefits include improved exhaust flow for potential power gains, a noticeably more aggressive sound character, and a factory-quality valve setup that preserves the active-exhaust functionality. Limitations are the complexity of removal and fitment under the Challenger chassis which often requires a lift or shop labor, and the loud character may be too aggressive for noise-sensitive surroundings.
Best for: Risk-averse mainstream buyers who want a factory-quality replacement that sharpens the Challenger’s sound while retaining the active-exhaust behavior and prefer a proven, name-brand option.
Less Ideal for: Drivers who need a subtle, quiet upgrade for daily commuting in noise-restricted areas or those who want a simple bolt-on that can be installed without shop assistance should consider alternatives.
- Designed specifically for 2015–2017 Challenger models with active exhaust for direct-fit installation
- Dual 3.00-inch scavenger X-pipe and Super 40 mufflers improve exhaust flow and aggressiveness
- Includes active-style valves so the car retains variable sound behavior
- 304/409-grade stainless tips and stainless construction resist corrosion and look finished
- Ships with necessary hardware for installation
- Removal of the factory system and installation can be difficult without a full lift or professional shop
- System produces a very aggressive exterior and interior sound under wide-open throttle which may be too loud for some environments
Verdict A factory-style, aggressive-sounding cat-back built for Challenger owners who want a proven, valve-equipped system but should be installed by a shop due to fitment difficulty.
5. Borla ATAK Cat-Back Exhaust System for 2015–2023 Dodge Challenger V6
| Compatibility | 2015–2023 Dodge Challenger V6 & GT V6 |
|---|---|
| Material | T-304 Stainless Steel |
| Construction | All welded |
| Installation | Bolt on |
The Borla ATAK cat-back replaces the factory rear section on 2015–2023 Dodge Challenger V6 models to deliver a much more aggressive exhaust note while retaining everyday drivability. It is a complete T-304 stainless steel system with all-welded construction and bolt-on fitment designed for straightforward installation by a shop or a well-equipped home mechanic. Notable features include Borla's ATAK tuning which raises volume and low-end rumble without the constant cabin drone many cheaper systems introduce, plus durable stainless construction for long life. In use it offers quiet cruising when you want it and a muscular bark under throttle; several owners note the sound opens up further after a break-in period. The main compromises are cost and increased sound levels compared with stock—this is an aftermarket performance upgrade rather than a subtle replacement. The system ships without exhaust tips included and may require assistance or lifts for safe installation.
Best for: A practical optimizer who wants a proven performance upgrade for a Challenger V6 that prioritizes sound quality and long-term durability over the cheapest option.
Less Ideal for: Drivers who need a near-stock noise level for strict neighborhood or track noise regulations should consider milder systems or muffler-focused upgrades instead.
- Aggressive ATAK sound profile that wakes up the V6 without excessive drone
- Full T-304 stainless steel and all-welded construction for corrosion resistance
- Bolt-on design made to fit 2015–2023 Dodge Challenger V6 for relatively simple installation
- Designed to be quiet at idle yet loud and responsive under acceleration
- Higher cost compared with basic cat-back kits
- Exhaust tips are not included, requiring separate purchase or reuse of factory tips
Verdict If you want a durable, factory-fit cat-back that significantly livens a Challenger V6’s sound and holds up over time, the Borla ATAK is a top value despite its premium price.
6. Borla 140628 Cat-Back Performance Exhaust System for Dodge Challenger R/T 5.7L
| Vehicle fit | 2015–2023 Dodge Challenger R/T 5.7L V8 |
|---|---|
| Material | T-304 Stainless Steel |
| Installation | Bolt on |
| Construction | All welded |
| Made in | USA |
This Borla cat-back system replaces the factory rear section on the Dodge Challenger R/T 5.7L and is built from T-304 stainless steel with all-welded, bolt-on installation. It is designed to produce a pronounced, aggressive exhaust note while preserving interior comfort thanks to Borla's tuned sound profile that many owners describe as loud outside with minimal in-cabin drone. Typical use is direct replacement for improved sound, slightly better exhaust flow, and long-term corrosion resistance from stainless construction. The system is painted for a finished appearance and is made in the USA. Important limitations are the strong exterior volume that may be too loud for quiet neighborhoods and the high upfront cost compared with basic replacement systems. Installation requires basic garage tools or a shop and alignment to factory hangers to avoid rattles. For buyers who want a factory-quality fit with a muscular Hemi sound, this is one of the cleanest options available for the Challenger R/T.
Best for: A balanced, all-round buyer who wants a factory-quality, long-lasting exhaust that adds an aggressive Hemi sound without constant cabin drone and values a well-engineered fit.
Less Ideal for: Drivers who prioritize a subtle, quiet exhaust or who need the lowest-cost replacement should consider quieter or budget-oriented alternatives.
- T-304 stainless steel and all-welded construction for corrosion resistance and durability
- Designed for bolt-on installation with factory-style fitment for the Challenger R/T
- Produces an aggressive, well-tuned exterior exhaust note with minimal in-cabin drone
- Manufactured in the USA with a finished painted exterior for visual appeal
- Loud exterior volume may be excessive for noise-sensitive areas
- Higher cost than basic replacement cat-back systems
Verdict A durable, factory-quality cat-back for the Challenger R/T that delivers a muscular Hemi tone with minimal cabin drone but at a premium price.
Choosing the Right Dodge Challenger Cat-back Exhaust System: Key Factors to Consider
Material and Corrosion Resistance
The pipe and muffler material determine how long the system lasts and how well it resists rust from road salt and moisture. Stainless steel alloys offer better corrosion resistance than mild steel and are less likely to pit or fail at welds, which matters for owners who keep their cars for multiple seasons.
Material thickness and the quality of welds also affect longevity. Thicker walls and TIG welds increase durability but add weight. Consider local climate and how often you wash the underside of the car when weighing corrosion resistance against cost and weight.
Exhaust Flow and Backpressure
The internal diameter of pipes, the design of muffler chambers, and the presence of resonators change how exhaust gases flow and how much backpressure the engine sees. Reduced backpressure can free up torque and throttle response, but extreme free-flow designs may sacrifice low-end drivability or create undesirable rasp at cruise.
Look for systems engineered to maintain a balance between improved flow and usable street manners. For many drivers, moderate increases in flow paired with tuned mufflers deliver noticeable responsiveness without losing daily comfort.
Sound Character and Tuning
Sound is often the primary reason owners choose a cat-back system. Differences in muffler packing, chambering, and resonator placement shape the tone, note, and how intrusive the exhaust is at different RPMs. Some setups emphasize a deep, mellow rumble while others highlight a louder, aggressive rasp under throttle.
Consider how the car will be used: a track-oriented tone may be exciting on short drives but fatiguing on long trips or in residential areas. Also consider potential drone at cruising speeds and whether the design includes features to minimize it.
Fitment and Vehicle-Specific Design
A system designed for the Dodge Challenger should align with factory hangers, bumper cutouts, and the vehicle’s exhaust routing to avoid clearance issues and rattles. Vehicle-specific designs reduce the likelihood of interference with suspension components, heat shielding, or the underside of the body.
Verify that the system’s mounting points and tailpipe placement match your Challenger’s configuration to ensure a straightforward install and correct aesthetic alignment with the rear bumper.
Installation Complexity and Hardware
Installation ranges from straightforward bolt-on assemblies to kits requiring cutting, welding, or bracket fabrication. Bolt-on systems that reuse factory hangers and flanges typically reduce shop time and complexity. Check whether clamps, gaskets, and necessary hardware are included and whether specialty tools are required.
If you plan to install the system yourself, prioritize designs with clear instructions and minimal modification. Factor in whether the job needs a lift or can be completed with safety stands, and estimate the time and skill level required.
Muffler and Tip Options
Muffler type and tip finishes influence both sound and visual impact. Chambered mufflers, straight-through designs, and multi-chamber silencers each produce distinct tones and backpressure characteristics. Tip materials and diameters affect appearance and how exhaust exits behind the bumper.
Consider whether you want a polished premium look, raw stainless finish, or black-coated tips. Also think about tip positioning and whether the system offers interchangeable or adjustable tips to match your preferred aesthetic.
FAQ
Will a cat-back exhaust system increase horsepower on my Dodge Challenger?
A cat-back exhaust system can often improve throttle response and produce modest power gains by reducing restrictive backpressure, especially when paired with other supporting modifications. The change varies by engine and tuning, so gains are usually modest and depend on overall system design rather than being guaranteed.
How difficult is catback exhaust installation on a Challenger?
Installation difficulty depends on whether the system is a true bolt-on that uses factory hangers and flanges. Many vehicle-specific kits are designed for straightforward installation with basic tools, while others may require cutting, welding, or bracket adjustments. If you are not comfortable under the car, professional installation reduces the risk of fitment issues.
Will a louder cat-back cause drone on highway speeds?
Some louder systems produce measurable drone at certain cruising RPMs due to resonances in the muffler or pipe length. Systems with dedicated resonators or tuned mufflers often reduce or eliminate drone. Consider listening to sound clips when available and choose a design that balances loudness with refined cruise behavior.
Is stainless steel worth choosing over aluminized steel?
Stainless steel typically offers better long-term corrosion resistance and can maintain appearance longer without flaking or rusting. Aluminized steel can be less expensive and still perform acceptably in dry climates, but it tends to show wear sooner in harsh road conditions. Your climate and how long you plan to keep the car should guide this choice.
Do I need to retune the engine after installing a cat-back system?
Most cat-back installations do not require an engine retune if the system maintains similar backpressure and does not change primary oxygen sensor or catalytic converter locations. However, if the new exhaust substantially alters flow or you add other performance modifications, a tune can optimize power and prevent drivability issues.
How We Chose the Best Dodge Challenger Cat-back Exhaust System
We focused on attributes that directly affect performance, sound, and ownership for Dodge Challenger cat-back exhaust systems. Key evaluation criteria included build material and corrosion resistance, which determine longevity and how well the system handles heat and road conditions; exhaust flow design and internal muffler architecture, which influence backpressure and throttle response; sound tuning and decibel character across idle, cruise, and wide-open-throttle conditions; fitment and mounting design specific to the vehicle, ensuring straightforward alignment with factory hangers and clearances; and ease of installation, including whether the system is bolt-on or requires modifications.We excluded systems that lack clear material specifications, generic universal-fit kits without vehicle-specific hangers, and designs that rely on nonstandard fabrication that complicates installation. Our shortlist favors systems that balance durable construction with predictable acoustic performance and practical installation for owners of the Dodge Challenger.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a cat-back exhaust system for a Dodge Challenger, prioritize materials, sound tuning, and vehicle-specific fitment to balance durability, tone, and daily drivability. Decide whether you want a more aggressive, track-oriented sound or a refined note for street use, and weigh that against corrosion resistance and installation complexity.Focus on systems that strike the right compromise for your driving habits. Durable construction, predictable acoustic behavior, and straightforward mounting will deliver the most satisfying long-term ownership experience.
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