Fitment Information Honda Civic Sport Hatch 1.5T Turbo (2017, 2018, 2019, 2020, 2021) Specs & Features 2.75" Piping with 4" Triple Muffler Tips Stainless steel pipes and canister Corrosion resistant and lightweight Beautiful double walled stainless steel muffler tips. TIG welded joints and CNC'd flanges for durability Direct bolt on replacement after catalytic converter Mandrel bend pipes for smoother exhaust flow Deep aggressive tone, Increase Horsepower Stainless steel installation hardware included Rev9's stainless steel exhaust is a great performance upgrade over the original factory exhaust. Direct bolt-on replacement of the rear section after catalytic converter makes it an easy to install upgrade. Constructed of high-quality stainless steel pipes and canister and TIG welded joints with CNC'd flanges to ensure durability. Features an aggressive deep tone and larger diameter for less restricted exhaust and greater performance.