Upgrade your ATS-V's performance and sound with our Catless Resonated Downpipes — built to unleash the full potential of your 3.6L twin-turbo V6. Eliminate restrictive factory cats for aggressive tone, faster turbo spool, and quicker throttle response.
Integrated crossover H-pipe to cancel unwanted rasp from LF4 turbos
Handmade resonators with dense anti-rasp packing
Direct bolt-on fit for all 2016–2019 ATS-V models
O2 sensor bungs pre-installed
Optional wideband O2 bungs available
Handcrafted in the USA 🇺🇸
Lead Time: This is a handmade, made-to-order product. Please allow 4–6 weeks for fabrication and shipping. We'll keep you updated throughout the process.
Tuning Note: This product will trigger a check engine light. Tuning is strongly recommended.
Emissions Notice: These downpipes are intended for off-road and competition use only. They are not legal for use on public roads in emissions-controlled areas and are not for sale or use in California. Installation on a street-driven vehicle may violate the Clean Air Act and result in civil or criminal penalties.
