C8 Charlie Cat Back Exhaust 2019 duramax We monitor air-fuel ratios and

We monitor air-fuel ratios and engine knock activity on the dyno in development to ensure you have a safe and reliable tune for years to come

The stainless tubing comes from Stainless Bros which features thicker walls and extruded bends to maintain the same thickness throughout the radius of the bends

throttle response

This variant DOES NOT include provisions for active fuel management or noise pollution prevention valves

C8 Charlie Cat Back Exhaust 2019 duramax We monitor air-fuel ratios andPeitz Performance Tunes Charlie cat back exhaust for 2020+ Chevy Corvette Stingray. This variant DOES NOT include provisions for active fuel management or noise pollution prevention valves. Simulators sold separately. This exhaust is designed to work with the Peitz Performance turbo kits afterward, in case of upgrade to turbos. This variant includes stainless bros "bullet" mufflers. NOTE: If you want AFM and NPP Simulators and are not tuning your ECM,