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...

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...

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 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...

Some folks are just not satisfied with the usual. They have to always be pushing the limits; refining and adjusting; until they have the truck that has no limits. We have put together some components that will take you to the next level. The fastest...

All PhatShaft turbos for the 2nd Generation Cummins trucks (1994-2002) require a 4" downpipe, as opposed to the factory 3". This downpipe replaces the factory downpipe and allows for the four-inch outlet of the PhatShaft turbos.

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...

Diamond Eye Performance's 3" Turbo Down Pipe for 2004.5-2010 GM 6.6L Duramax lowers EGT's and maintains full Emissions Compliance.  Aluminzed Steel, and Heat Tape Wrapped.

Three-Inch 304 Stainless Steel Down-Pipe Extended Length for use with PPE T4 Turbo Pedestal and PPE T4 Riser Block For big performance gains, use PPE’s Extended Length Down Pipe in conjunction with PPE’s T4 Riser Block (with or without...

Some folks are just not satisfied with the usual. They have to always be pushing the limits; refining and adjusting; until they have the truck that has no limits. We have put together some components that will take you to the next level. The fastest...

Some folks are just not satisfied with the usual. They have to always be pushing the limits; refining and adjusting; until they have the truck that has no limits. We have put together some components that will take you to the next level. The fastest...

Some folks are just not satisfied with the usual. They have to always be pushing the limits; refining and adjusting; until they have the truck that has no limits. We have put together some components that will take you to the next level. The fastest...

Some folks are just not satisfied with the usual. They have to always be pushing the limits; refining and adjusting; until they have the truck that has no limits. We have put together some components that will take you truck to the next level.

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.

3" LB7 Turbo Downpipe for use with OEM charger or Stealth series Drop in. High Temp Coated and Heat Wrap included.

Replace the restrictive crushed factory downpipe with this full 3" Stainless steel downpipe. For use with factory turbo or factory style drop in turbo.

Diamond Eye Performance's 3" Turbo Down Pipe for 2001-2004 GM 6.6L Duramax lowers EGT's and maintains full Emissions Compliance.  Aluminzed Steel, and Heat Tape Wrapped.