IMR 3000GT VR4 Main Catless Test Pipe Stainless:without O2 Bung better handling

better handling

IMR has completed the work you by modifying the ends of the rails

IMR Tensioner

except you are able to generate higher inlet pressures with a properly design ram duct such as the BIG MOUTH

and it has insane holding power

IMR 3000GT VR4 Main Catless Test Pipe Stainless:without O2 Bung better handlingThis IMR Test Pipe "replaces" the OEM cat which is one of the most restrictive sections of the OEM exhaust. The pipe and flanges are made from 304 Stainless Steel. The pipe is diameter is 3. 0" to maximize flow and will accommodate the OEM and Aftermarket Catback exhaust systems. This pipe will also fit directly with the new IMR Catback System and the IMR O2 Housing and Downpipe System. Gaskets and hardware are not included. These pipes are fabricated