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Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit www.P65warnings.ca.gov.
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 installation. Remove your crushed oval-shaped stock downpipe and replace it with a Pacific Performance Engineering exhaust downpipe for unrestricted power!
AFE Power
Your OE down-pipe is holding back power potential. Our mandrel-bent version not only frees up airflow and improves turbo spool time, but also makes for cooler operating temperatures.3" 409 Stainless...
PPE
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...
PPE
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...
PPE
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...
PPE
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...
PPE
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...
MBRP Exhaust
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...
MBRP Exhaust
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...
PPE
PPE has taken OEM replacement to a new level. These PPE OEM Up-Pipes allow 53% greater flow than stock. PPE OEM Up-Pipes is a direct bolt-on to your factory manifolds. Unlike factory parts, PPE OEM...
AFE Power
Your OE down-pipe is holding back power potential. Our mandrel-bent version not only frees up airflow and improves turbo spool time, but also makes for cooler operating temperatures.3" 409 Stainless...
PPE
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...
