3.75-Inch Inlet / 3.00-Inch Outlet Stainless Steel Downpipe

The Extreme Online Shop race downpipe is engineered to enhance airflow efficiency for Honda's 1.5T engines, especially when paired with an ECU tuner. Constructed from durable T-304 stainless steel with a brushed silver finish, this downpipe features a 3.75-inch cast inlet transitioning to a 3.00-inch cast outlet to promote optimal flow with minimal turbulence. This downpipe is designed for a direct fit on the 2016-2021 Honda Civic 1.5L engine and 2017-2021 Honda CR-V 1.5L engine models. It is compatible with the factory or most aftermarket front pipes without requiring an adapter. Please be aware that this product is sold for off-road use only and may cause a Check Engine Light (CEL). Extreme Online Store products are intended for racing vehicles that may not be used on public roads. Furthermore, due to California Vehicle Code Section 27156, this item cannot be shipped to any California address.