aFe Power Gas Cat-Back Exhaust System for Dodge Challenger HEMI 2017 - 2021

Add more power and sound to your Challenger with this MACH Force-Xp cat-back system which produced gains of up to +13 horsepower and +15 lbs. x ft. torque as measured on our in-house dyno. Dual 3" mandrel-bent, MIG welded, 304 stainless steel tubing with X-pipe and crossover balance tube keeps exhaust flowing smoothly and evenly for power gains you can feel and hear. This system utilizes the factory exhaust valve motors and factory style clamps retain the factory tips for a stock appearance. Dual stainless steel, high flow mufflers deliver an aggressive, performance exhaust note. Muffler finish may vary.Dyno-Proven Performance Gains: In testing, the cat-back exhaust system resulted in gains up to +13 horsepower and +15 lbs. x ft. of torque, as measured on our in-house dyno.Aggressive Exhaust Note: This system utilizes dual stainless steel, high flow mufflers that deliver an aggressive, performance exhaust note. Muffler finish may vary.Incorporated X-pipe and crossover balance tube: Designed to equalize and evenly distribute exhaust pulses reducing drone, improving sound.304 Stainless Steel Construction: This exhaust system is constructed of 3" mandrel-bent, 304 stainless steel tubing for maximum flow and corrosion resistance. Outlasts and outflows factory exhaust.Simple, Hassle Free Installation: This system has been 100% CAD designed to factory tolerances for a direct bolt-on fitment and retains the factory exhaust tips for a stock appearance. Hardware included for a hassle-free installation.MIG-Welded: 100% MIG-welded for long lasting strength and durability.Emissions Disclaimer: This product does not require a CARB EO# aFe POWER exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.