Corsa 3.0 IN (Valved) Axle-Back Twin 4.0 IN Tips Sport Variable Sound Level | 2018-2021 Mustang GT Coupe

  VEHICLE FITMENT 2018-2021 Ford Mustang GT 5.0L V8 Fastback *For vehicles with Active Valve Exhaust Only   PRODUCT DESCRIPTION 3.0" Axle-Back, Dual Rear Exit with Twin 4.0" Polished Pro-Series TipsSport to Touring Variable Sound Level*Ideal for pairing with aggressive engine modification to control exhaust volume Superior Sound Quality The CORSA Active Valve, combined with RSC® Technology, is more effective than the stock system at providing a comfortable drone-free cruise. Utilize the quiet start function or run wide open; CORSA Active Valves produce an impressive 11 decibel delta in volume across the various driving modes. Increase an Axle-Back's sound and performance by adding the CORSA Double X-Pipe, Part 14327 (On Our Site); which out flows the stock mid-section by 23.43%! CORSA Active Valve Technology Over two years of research went into developing a CORSA active valve exhaust system that would deliver the ultimate driving experience: a varying range of volume combined with