Flowmaster American Thunder Cat-back Exhaust SystemThis American Thunder Cat back exhaust system is designed for the 2015 2023 Dodge Challenger Hellcat and Demon with the 6. 2L engine, the SRT392 and R T Scat Pack models with the 6. 4L engine, as well as the 2017 2022 R T with the 5. 7L engine and is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt on

Replaces Cummins Part #: 3957081

for smooth engagement and longevity

We also added the OEM spring perch options using this tester's car

095" 4130 CrMo tubing and 100% TIG welded

1045985SS and 1045987 24-valve Manifolds

Allows for quick and easy repositioning by loosening and removing the clamping bolts

especially if you have lowered your car

Suppied with a tough black powder coat

The UMI Performance strut tower brace is a quick and easy installation that enhances handling and steering response

these control arms provide increased strength and reduced weight compared to standard mild steel

Made from lightweight Neoprene material

the SB037 is cold formed to better resist torsional fatigue and retain its "memory" far longer than the hot-formed bars used by many competitors