MBRP Installer Series Aluminized 4" Single Duramax Exhaust System (Downpipe-Back)

XDP is a MBRP Factory Authorized Online Retailer ID# 600207727. We would like you to shop with confidence knowing your purchase is covered by the manufactures warranty.   

Buy Now and receive a MBRP T5051 mirror polished stainless steel angled cut exhaust tip(s) FREE!

• 4" Mandrel bent tubing for maximum flow
• Increased Towing Capabilities
• Direct Fit Design

The Duramax has a refined toughness to it. MBRP Inc has left the refined part to General Motors, and added extra toughness. The Duramax makes big power gains with this high flow 4" mandrel bent exhaust system. Each system is a direct bolt on application and is manufactured as a full 4" system all the way to the 5" diameter exhaust tip. Lower EGT (exhaust gas temperature), improved fuel economy along with more towing power are just some of the added benefits of having this system installed on the Duramax.

The Duramax system is designed for trucks equipped with & without a catalytic converter.

This is a 4 bolt flange back system use the drop down menu to add the front pipe.

3 Year Warranty

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Installation Instructions

Regular Cab's Require Adapter Pipe Below.