Down Pipes

Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended...

These MagnaFlow turbo downpipes feature stainless steel construction for maximum flow capacity and a T304 stainless steel flex joint for durability. They bolt to the bottom of the stock turbo housing and even retain the OEM oxygen sensor location. With...

Better than stock, Pacific Performance Engineering exhaust downpipes increase flow and performance on your Duramax. PPE crafts them with smooth bends from long-lasting 304 stainless steel. They include titanium exhaust wrap and clamps for a secure...

Better than stock, Pacific Performance Engineering exhaust downpipes increase flow and performance on your Duramax. PPE crafts them with smooth bends from long-lasting 304 stainless steel. They include titanium exhaust wrap and clamps for a secure...

Better than stock, Pacific Performance Engineering exhaust downpipes increase flow and performance on your Duramax. PPE crafts them with smooth bends from long-lasting 304 stainless steel. They include titanium exhaust wrap and clamps for a secure...

Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended...

Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended...

Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended...

Down Pipe Kit; 4 in. Aluminized Tubing; Incl. Turbo V-Band/Exhaust Band Clamps; For Use w/S400 Turbos w/Full Marmon 4.2 in. Flange;BD Diesel Performance is unique among its peers in that it designs, manufactures and distributes a wide range of products...

Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended...

Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended...

Remove your crushed oval-shaped stock down-pipe and replace it with a smooth, round, long-lasting full 304 stainless steel Down-Pipe from PPE. Includes gasket and a woven titanium sleeve to reduce engine bay temperatures. Down Pipe Kit includes gasket.

MagnaFlow Diesel Pipes are available for Cummins, Powerstroke and Duramax applications. Each downpipe, extension pipe, muffler delete and tailpipe is made of 100% stainless steel to ensure durability and mandrel-bent to ensure maximum performance gains...

Remove your crushed oval-shaped stock down-pipe and replace it with a smooth, round, long-lasting full 304 stainless steel Down-Pipe from PPE. Includes gasket and a woven titanium sleeve to reduce engine bay temperatures. Down Pipe Kit includes gasket. ...

Replace the restrictive crushed factory down pipe with this full 3" down pipe. High Temp coated for protection. For use with factory turbo or factory style drop in the turbo.