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817516 | 11-12 MUSTANG GT AB OTL 409Sclose
Our race-oriented Outlaw systems are designed to replace original rear mounted mufflers located behind the rear axle using factory style connections. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. Outlaw systems deliverance level, ultra aggressive interior and exterior tone and are suited to the enthusiast who wants the most a..
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817560 | 11-12 MUSTANG GT CAT-BACK OTL 409Sclose
Flowmaster proudly introduces our newest Cat-back exhaust system for the 2011-2012 Mustang GT. Part number 817560 is a 409S stainless steel Outlaw system for the 5.0L cars. Featuring our patented Scavenger X pipe for increased mid-range torque and mandrel-bent pipes throughout, the system is a full 3.00" diameter. Designed for the hard core enthusiast, the Outlaw Series mufflers deliver a very agg..
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817563 | 08-14 CHALLENGER SRT8 OTL 409Sclose
Flowmaster's race-oriented Outlaw Cat-back systems are designed to mount behind the factory catalytic converters for 50 state emissions legality. These systems are mandrel bent for maximum performance and include specially selected mufflers. Outlaw systems deliver a super aggressive interior and exterior tone and are suited to the enthusiast who wants the most aggressive components they can purch..
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817574 | 86-04 MUSTANG 4.6L/5.0L DUMPS AMTclose
Flowmaster's race-oriented American Thunder Extreme Cat-back system is designed to mount behind the factory catalytic converters, or most OEM style aftermarket H-pipes. The turn-down tailpipes drop at the rear of the transmission and eliminates full length tailpipes to maximize the sound level and allow for extra clearance for wide tires and modified suspensions.These systems are mandrel bent for ..
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817588 | 13-14 MUSTANG GT AXLE-BACK AMT 409Sclose
American Thunder exhaust systems deliver the aggressive sounds you want, as well as the performance gains you demand. This T409 stainless steel American Thunder Axle-back for the 2013 to 2014 Mustang GT features specially modified Super 44 series mufflers with polished 4.00 in. stainless tips and is a direct bolt on for the restyled Mustang. A lifetime limited warranty provides assurance that this..
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817590 | 13-14 MUSTANG GT CAT-BACK OTL 409Sclose
The Outlaw Cat-back exhaust systems feature race bred Outlaw mufflers for a very aggressive track oriented sound inside the car and out. Featuring 3.00 in. mandrel bent piping, this Outlaw system bolts directly behind the OE cats with our Scavenger X pipe assembly and delivers noticeable increases in horsepower and torque, while maintaining 50 state emissions legality. The 4.00 in. polished stainl..
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817592 | 13-14 MUSTANG GT AXLE-BACK OTL 409Sclose
Outlaw exhaust systems feature the race developed and proven Outlaw mufflers for a very aggressive sound outside the vehicle with a moderate interior sound level. As an Axle-back exhaust, this direct bolt on Outlaw system is easily installed at home and will add the performance improvements you expect from Flowmaster. The 4.00 in. polished stainless tips provide a performance look, while a lifetim..
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817730 | 15-17 MUSTANG GT 5.0L CB AMT 409Sclose
2015 - 2017 Ford Mustang GT, 5.0L, V8, Fastback/Hardtop Only, Cat-back, 3.00" Mandrel Bent Tubing, Dual System, 60 Series Mufflers, 4.00" Polished Tips, American Thunder, DOR, 409S Stainless Steel.Features:Flowmaster ReliabilityPatented Delta Flow TechnologyDyno Tuned For Maximum PerformanceStainless Steel Construction2WD/4WDRWDBrandFlowmasterCalifornia Proposition 65 Chemical NameChromium (hexava..
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817734 | 15-17 MUSTANG GT 5.0L CB OTL 409Sclose
Flowmaster's Outlaw Cat-back exhaust system for the 2015-2017 Ford Mustang GT is perfect for the person looking for a very deep and aggressive sound level outside and inside the car with all of the performance benefits that you would expect from Flowmaster. This exhaust is not for the faint of heart! This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 5.0L engine features a ..
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817748 | 15-20 MUSTANG BASE 2.3L/3.7L AB AMT 409Sclose
Flowmaster's American Thunder Axle-back exhaust system for the 2015-2018 Ford Mustang is perfect for the person looking for a moderately aggressive sound level outside of the car, while maintaining a mild sound level inside, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 2.3L EcoBoost or 3.7L V6..
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817749 | 15-17 MUSTANG GT 5.0L AB AMT 409Sclose
Flowmaster's American Thunder Axle-back exhaust system for the 2015-2017 Ford Mustang GT is perfect for the person looking for an aggressive sound level both inside and outside of the car, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 5.0L engine features a pair of Super 44 Series mufflers and ..
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817799 | 18-20 MUSTANG 5.0L, AB AMT, W/VALVES, POclose
Flowmaster’s American Thunder Axle-back exhaust system for the 2018 and 2019 Ford Mustang GT is perfect for the person looking for a moderate to aggressive sound level both inside and outside of the car, with all of the performance benefits that you would expect from Flowmaster. This bolt-on DOR (Dual Out Rear) emissions-legal system for cars with the 5.0L engine features a pair of Outlaw Series ..
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817807 | 18-20 MUSTANG 5.0L, AB AMT, NO VALVESclose
Flowmaster's American Thunder Axle-back exhaust system for the 2018 and 2019 Ford Mustang GT with the 5.0L engine is perfect for the person looking for an aggressive exterior sound level with all of the performance benefits that you would expect from Flowmaster. This bolt-on 409S stainless steel system features single 3.00 inch mandrel-bent tubing and two Super 44 series mufflers for maximum power..
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817808 | 18-20 MUSTANG 5.0L, CB OTL 3" NO VALVESclose
Flowmaster's Outlaw Cat-back exhaust system for the 2018 Ford Mustang GT is perfect for the person looking for a very aggressive exhaust tone inside and outside the vehicle, with all of the performance benefits that you would expect from Flowmaster. This easy to bolt-on emissions-legal system for the 5.0L V8 features a pair of 409S stainless steel Outlaw Series mufflers with 3.00 inch stainless st..
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8325408 | 40 SERIES RACE 2.50" C/C 409Sclose
The Delta Force 40 series race mufflers utilize Flowmaster's patented Delta Flow technology and feature excellent power characteristics with good sound reduction qualities. Recommended for all racing applications where mufflers are required with a substantial decibel reduction over open headers. Please call the Flowmaster tech-line for assistance with specific decibel requirements and applications..
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8325508 | 50 SERIES RACE 2.50" C/C 409Sclose
The Delta Force 50 series race mufflers utilize Flowmaster's patented Delta Flow technology and feature excellent power characteristics with good sound reduction qualities and are constructed for race applications that have strict decibel level requirements to adhere to. Please call the Flowmaster tech-line for assistance with specific decibel requirements and applications.Features:Race proven pat..
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842446 | 2.25 IN(O)/OUT(C) SUPER 44 409Sclose
Flowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we've ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.Features:Race proven patented Delta Flow technologyRecent two ..
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842448 | 2.25 IN(O)/OUT(O) SUPER 44 409Sclose
Flowmaster's Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a rich powerful tone and are the most aggressive, highest performing street muffler we've ever built in a four inch case. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.Features:Race proven patented Delta Flow technologyRecent two ..
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842451 | 2.25 IN(O)/OUT(C) 50 SERIES DF 409Sclose
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.Features:Improved Horsepower, Torque and ..
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842452 | 2.25 IN(C)/OUT(O) 50 SERIES DF 409Sclose
The three chamber design utilizes Flowmaster's patented Delta Flow technology along with an internal tuning chamber to reduce sound inside the vehicle. Provides the same performance and exterior tone characteristics as the two chamber, but with less interior resonance. Constructed of 16 gauge 409S stainless steel and fully MIG welded for maximum durability.Features:Improved Horsepower, Torque and ..
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