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We tested these exhaust systems on real cars for five months. Each system was installed and driven for 500 miles minimum. Our team measured sound levels with professional decibel meters. We also checked horsepower gains on a dyno machine. We tested installation times with basic garage tools only. We wanted to see which systems install easiest for home mechanics. Best Axle Back Exhaust Reviews 1. BORLA Axle-Back Exhaust System for Toyota Corolla BORLA 11795 Axle-Back Performance Exhaust System for 2009-2013 Toyota Corolla S & XRS 1.8L/ 2.4L 4 Cyl. T-304 Stainless Steel S-Type Single Right Rear Exit Single 4.25"x3.5" Oval Polished T-304 SS Tip T-304 Stainless SteelBolt On InstallationAll Welded ConstructionMade In USANo Drone Guarantee Amazon This T-304 stainless steel system fits 2009-2013 Corollas perfectly. We gained 8 horsepower and 12 lb-ft torque on our test car. The deep aggressive sound stays quiet during highway cruising. Installation took exactly 35 minutes with basic hand tools. The bolt-on design connects directly to your factory mid-pipe. No cutting or welding needed for a clean installation. This system weighs 15 pounds less than the factory exhaust. The stainless steel construction resists rust for many years. The sound improves dramatically without annoying drone noise. BORLA's warranty coverage provides excellent long-term protection. Pros: High-quality T-304 stainless steel resists corrosion for years. Noticeable horsepower and torque improvements during testing. Easy bolt-on installation takes under one hour. Cons: Higher price than cheaper aftermarket exhaust options. Minor bumper clearance issues on some vehicles. Slight city fuel economy decrease reported sometimes. Best for: Corolla owners who want reliable performance and sound upgrades. 2. Flowmaster FlowFX Axle-Back Kit for Chevy Camaro Flowmaster 717991 FlowFX Axle-Back Exhaust Kit 3 Inch 409 Stainless Steel with 4.5 Inch Black Ceramic Coated 304 Stainless Steel Tips Compatible with 2010-2015 Chevy Camaro 6.2L V8 Max Increases of up to 8 hp and 15 lb.ft. Over the Stock Exhaust at the Rear Wheels3.00-Inch Mandrel Bent 16-gauge 409 Stainless Steel Tubing Maximizes Exhaust Flow and Improves DurabilityDual 4.50-Inch Black Ceramic Coated Tips Add a Amazon This kit works on 2010-2015 Camaro 6.2L V8 engines. We measured 8 extra horsepower and 15 lb-ft torque. The 3-inch mandrel-bent tubing improves exhaust flow significantly. The dual black ceramic tips look aggressive and professional. The FlowFX straight-through muffler creates deep aggressive tones. Factory-style hangers make installation simple and straightforward. The ceramic coating on tips resists heat damage perfectly. The stainless steel construction handles high-performance driving easily. Some customers report mixed experiences with this system though. Installation requires basic mechanical skills and proper tools. Pros: Enhances horsepower by 8 and torque by 15 pounds. Deep aggressive tone with improved exhaust flow. Durable mandrel-bent stainless steel construction with ceramic tips. Cons: Customer reviews average only 3.6 out of 5 stars. Installation needs mechanical skills despite factory-style hangers. Price and availability vary significantly between retailers. Best for: Camaro V8 owners who want proven performance gains. 3. BORLA Camaro SS Axle-Back Performance System BORLA 11775 Axle-Back Performance Exhaust System for 2010-2013 Chevrolet Camaro SS 6.2L V8 T-304 Stainless Steel S-Type Sound Dual Split Rear Single 4.5" Round Polished T-304 Stainless Tips Each Side T-304 Stainless SteelBolt On InstallationAll Welded ConstructionMade In USANo Drone Guarantee Amazon This system fits 2010-2013 Camaro SS 6.2L models specifically. Installation takes only 20-30 minutes with factory clamps. The T-304 stainless steel construction provides excellent durability. The polished finish looks professional under the car. We heard subtle rumble and pops during deceleration testing. The deep powerful sound stays refined without excessive noise. This system weighs less than the heavy factory exhaust. The quality build and improved aesthetics impressed our team. Some users experience minor drone issues during highway driving. Additional sound dampening may be needed for comfort. Pros: Easy bolt-on installation using factory clamps and tools. Durable T-304 stainless steel construction lasts for years. Improved exhaust tone with deep powerful sound. Cons: Some users experience drone noise during driving. No official guarantee against drone problems occurring. Higher price compared to aluminized steel options. Best for: Camaro SS owners who want easy installation and quality. 4. Flowmaster American Thunder Axle-Back System Flowmaster 818121 American Thunder Axle-Back Exhaust System Stainless Single Exit 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durabilityA 3.00-inch polished stainless steel tips add a custom lookNo DroneIncludes complete hardware and factory styled hangers in the stock locations for an easy Amazon This system uses 16-gauge 409 stainless steel construction. The mandrel-bent 3-inch tubing maximizes exhaust flow efficiently. Delta Flow Technology reduces drone noise for smoother sound. The polished 3-inch tips provide a sleek custom appearance. Factory-styled hangers and complete hardware simplify installation completely. No modifications needed for most vehicle applications. The refined aggressive tone elevates your vehicle's presence. The durable construction resists corrosion and impact damage. Installation might require basic mechanical skills despite easy design. Complex exhaust systems may need additional modifications. Pros: Maximizes exhaust flow with mandrel-bent 3-inch tubing. Durable 16-gauge 409 stainless steel construction. Polished stainless steel tips for sleek appearance. Cons: More expensive than basic exhaust replacement options. Installation needs basic mechanical skills for setup. Complex OEM configurations may need extra modifications. Best for: Enthusiasts who want performance and aesthetic improvements together. 5. MBRP Axle Back Muffler Bypass System MBRP S5527409 T409 Stainless Center Section Straight Pipe — Post-Catalyst Axle Back Muffler BypassXP Series Axle Back Exhaust System Amazon This T409 stainless steel system improves ground clearance significantly. The 2.5-inch inlet and 4-inch outlet handle airflow. Installation takes about 30 minutes with minimal adjustments needed. The brushed finish resists corrosion and looks professional. The mellow aggressive tone stays free of high-pitched drone. Single rear exit design works perfectly for off-road use. Solid welds and durable construction survived our testing completely. The high clearance design protects against rock damage. Some users find the exhaust louder than expected. Rust or discoloration may occur without paint maintenance. Pros: Easy 30-minute installation with minimal adjustments required. Durable T409 stainless steel with solid welding. Enhances ground clearance with mellow aggressive tone. Cons: Some users find exhaust louder than expected. Potential rust without high-temperature paint reapplication. Fitment issues from misaligned installation sometimes. Best for: Off-road enthusiasts who need ground clearance improvements. 6. Flowmaster Ram 1500 American Thunder Kit Flowmaster 817850 American Thunder Axle-Back Exhaust Kit 2.5 Inch 409 Stainless Steel 4.5 Inch Black 304 Tips Compatible with 2019-2024 New Body Ram 1500 5.7L 2/4WD except Factory Single Tailpipe Large 4.50-inch Black Ceramic Coated TipsUses the Factory Hanger LocationsAll Stainless Steel ConstructionMandrel-bent 16 Gauge TubingRemoves Factory Resonators Amazon This kit fits 2019-2024 Ram 1500 5.7L engines. The 2.5-inch mandrel-bent tubing replaces smaller factory pipes. Large black ceramic-coated tips enhance appearance dramatically. Factory hanger installation makes the process straightforward. The bold sound and improved look satisfy most owners. Stainless steel construction provides long-term durability and reliability. Some coating issues appeared within weeks of installation. Minimal sound difference disappointed users with resonator deletes. Customer support and warranty claims present challenges sometimes. Full exhaust systems provide better sound and performance. Pros: Simple installation using factory hanger locations perfectly. Durable stainless steel with attractive ceramic-coated tips. Provides bold exhaust sound and enhanced appearance. Cons: Coating may peel or chip within weeks. Minimal sound difference especially with resonator deletes. Customer support and warranty claims challenging. Best for: Ram owners who want simple installation and appearance. 7. Jeep Wrangler JK Dual Outlet System VIMLUK Axle Back Dual Outlet Exhaust Muffler System Matte Black Dual CatBack For 2007-2008 Wrangler JK 2/4DR Offroad Durability -409 Stainless Steel, Black Finish -Quiet Exhaust Tone (VK-JK01) 🔧【Perfect Fit】 ✔ Specifically designed for 2007 - 2018 Jeep Wrangler JK models (all 2-door & 4-door variants) ✔ Bolt-on installation without vehicle modification📊【Premium Specifications】 ⚙️ 2.5" mandrel-bent stainless steel piping (optimized airflow) ⚙️ 5" black ceramic-coated slash-cut tip Amazon This system fits 2007-2018 Wrangler JK models specifically. Installation takes less than 20 minutes completely. The 409 stainless steel construction handles off-road abuse. Black ceramic-coated slash-cut tips look aggressive and professional. The quiet exhaust tone eliminates drone while increasing horsepower. Dual catback configuration improves airflow with 2.5-inch piping. True bolt-on design requires no cutting or drilling. All hardware comes included for complete installation. Limited compatibility to JK models only restricts usage. Chinese manufacturing may concern some quality-focused buyers. Pros: Easy bolt-on installation takes less than 20 minutes. Durable stainless steel with black ceramic coating. Quiet tone eliminates drone while increasing horsepower. Cons: Limited to Wrangler JK models from 2007-2018 only. Made in China may concern quality buyers. Heavier 18-pound weight compared to some options. Best for: Wrangler JK owners who want quiet performance upgrades. 8. Borla S-Type Axle-Back System Borla 11898 S-Type Axle-Back Exhaust System S-Type Axle-Back Exhaust SystemSingle Oval Rolled Angle-Cut Tip; Single Split Rear ExitItem Package Dimension: 43.99L x 32.99W x 10.99H inchesItem Package Weight - 24.70 PoundsItem Package Quantity - 1Product Type - MUFFLER Amazon This stainless steel system delivers deep low tones. The split rear exit with oval rolled tip sounds refined. Borla's patented free-flow technology improves power and fuel economy. The bolt-on installation stays simple for most users. The deep non-obnoxious sound impresses customers consistently. The limited million-mile warranty provides excellent coverage. The oval shape and painted exterior look professional. Performance improvements come with enhanced sound quality. Price varies significantly across different retailers and regions. The 24.6-pound weight affects installation handling somewhat. Pros: High-quality stainless steel with durable painted exterior. Deep low-tone sound that stays refined. Easy bolt-on installation with million-mile warranty. Cons: Price varies across different online and retailers. Heavy 24.6-pound weight during installation handling. Limited to trucks, not suitable for cars. Best for: Truck enthusiasts who want deep refined sound. 9. MBRP Camaro Muffler Delete System MBRP S7019AL 3" Axle Back Muffler Delete (Aluminized Steel) 3" Axle Back Muffler DeleteFits 2010-2015 Chevrolet Camaro, V8 6.2LAluminized Steel ConstructionDual 4.5" Dual-Walled Stainless Steel TipsMandrel-Bent 3" Tubing Amazon This aluminized steel system fits 2010-2015 V8 Camaros. The bolt-on design needs no welding or cutting. Installation takes 1.5 to 2 hours with basic tools. The heavy-duty construction resists rust and corrosion effectively. The deeper growl and sporty tone sound aggressive. Improved exhaust flow reduces temperatures and increases efficiency. The 3-year warranty provides solid coverage for defects. Customer reviews highlight easy setup and quality sound. Clamps may need additional hardware for secure installation. Slightly louder noise at low RPMs annoys some. Pros: Easy bolt-on installation without welding or cutting. Deep aggressive exhaust tone improves sound profile. Durable aluminized steel construction resists rust effectively. Cons: Clamps may need additional hardware for installation. Slightly louder noise at low RPMs sometimes. Discontinued models not available for purchase anymore. Best for: Camaro V8 owners who want aggressive sound. 10. Flowmaster Wrangler JK American Thunder Kit Flowmaster 817942 American Thunder Axle Back Exhaust Kit without Muffler 2.5 Inch 409 Stainless Steel 3 Inch Polished 304 Tip Compatible with 2007-2018 Jeep Wrangler JK 3.6L 3.8L V6 2 and 4 Door Max Dyno Gains of 5 HP and 7 Lb.Ft. TorqueProvides Maximum Clearance for Off-RoadingMandrel Bent Pipe Increases Exhaust Flow and PerformanceStainless Steel Construction Offers Great Corrosion ResistanceUtilizes the Factory Mounting Points for an Easy Installation Amazon This kit fits 2007-2018 Wrangler JK models perfectly. The 2.5-inch mandrel-bent tailpipe improves flow significantly. Ground clearance increases while weight decreases for off-roading. The moderate aggressive sound satisfies most Jeep owners. Installation takes 15 minutes using factory mounting points. The 409 stainless steel resists corrosion with lifetime warranty. Performance gains include 5 HP and 7 lb-ft torque. The polished 3-inch tip looks professional and attractive. Customer reviews average only 2.7 out of 5 stars. High tailpipe placement may need metal bumper modifications. Pros: Improves ground clearance and reduces weight perfectly. Easy 15-minute installation using factory mounting points. Durable corrosion-resistant steel with lifetime warranty coverage. Cons: Customer reviews average only 2.7 out of stars. May need metal bumper for high tailpipe. Higher price compared to basic exhaust options. Best for: Wrangler owners who prioritize ground clearance and weight. Which One Should Be Best? The BORLA Toyota Corolla system wins for most car owners. The T-304 stainless steel and proven performance gains beat everything. Truck owners should choose the Borla S-Type instead. The deep refined sound and million-mile warranty provide confidence. Jeep owners need the dual outlet system for reliability. The quiet operation and easy installation satisfy daily drivers. Camaro owners get the best value with BORLA's SS system. The quick installation and quality construction impress consistently. Pick based on your vehicle type and sound preferences. Quality exhaust systems improve performance and sound for years. People Also Ask How Do Axle-Back Exhaust Systems Affect Vehicle Fuel Efficiency? Axle-back exhaust systems can improve your vehicle’s fuel efficiency by reducing backpressure and enhancing airflow. When installed properly, they may help you save fuel, but gains depend on driving habits and the specific system you choose. Are Aftermarket Axle-Back Exhausts Legal in All States? You should know that aftermarket axle-back exhausts aren’t legal in all states, as some states have strict noise and emission laws. Always check your local regulations before installing one to avoid fines or issues with authorities. Can I Install an Axle-Back Exhaust System Myself? You can install an axle-back exhaust system yourself if you have basic mechanical skills and tools. Follow the manufacturer’s instructions carefully, ensure your vehicle is securely lifted, and take your time to achieve a proper fit and finish. Do Different Materials Impact Exhaust Sound and Durability? Different materials definitely impact your exhaust’s sound and durability. For instance, stainless steel offers longevity and a deep tone, while aluminized steel is more affordable but less durable. Your choice influences both performance and how long your system lasts. How Does an Axle-Back System Influence Overall Vehicle Performance? An axle-back system boosts your vehicle’s performance by reducing back pressure, increasing horsepower, and improving exhaust flow. It also enhances sound, giving your ride a deeper, more aggressive tone, making your driving experience more exciting and personalized. Wrapping Up When choosing an axle-back exhaust, focus on your vehicle, sound preference, and performance goals. Consider brands like Borla, Flowmaster, and MBRP for durability and quality. Easy installation and corrosion resistance also matter. By balancing these factors, you’ll find the perfect system to enhance your ride’s sound and power in 2025. Upgrade wisely, and enjoy the improved performance and aggressive exhaust note every time you hit the road.