Maximize performance in your race built 2011-2015 GM 6.6L Duramax LML with the MBRP C6044304 4" Pro Series Downpipe-Back Competition Exhaust. Constructed from T304 stainless steel, the Pro Series delivers optimal durability.

The AFE 49-44054 MACH Force XP 5" Down-Pipe Back Race Exhaust System for your 2015.5-2016 GM 6.6L Duramax is a true 5" from the down-pipe back, the MACH Force XP exhaust is engineered to perform in the most extreme environments.

Maximize performance in your race built 2015.5-2016 GM 6.6L Duramax LML with the MBRP C6049P 5" Performance Series Downpipe-Back Competition Exhaust. Built from heavy duty aluminized steel, the MBRP Performance Series exhaust systems offer a value price without compromising on the quality built into every component.

Maximize performance in your race built 2011-2015 GM 6.6L Duramax LML with the MBRP C6048SLM 5" SLM Series Downpipe-Back Competition Exhaust System. Built from 16 gauge T409 stainless steel, the MBRP SLM Series performance exhaust systems offers value pricing without compromising on the quality built into every component.

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Maximize performance in your race built 2015.5-2016 GM 6.6L Duramax LML with the MBRP C6049PLM 5" PLM Series Downpipe-Back Competition Exhaust System.

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Maximize performance in your race built 2015.5-2016 GM 6.6L Duramax LML with the MBRP C6045SLM 4" SLM Series Downpipe-Back Competition Exhaust System.

Maximize performance in your race built 2011-2015 GM 6.6L Duramax LML with the MBRP C6044P 4 Performance Series Downpipe-Back Competition Exhaust. Built from heavy duty aluminized steel, the MBRP Performance Series exhaust systems offer a value price without compromising on the quality built into every component.

Maximize performance in your race built 2015.5-2016 GM 6.6L Duramax LML with the MBRP C6045P 4" Performance Series Downpipe-Back Competition Exhaust. Built from heavy duty aluminized steel, the MBRP Performance Series exhaust systems offer a value price without compromising on the quality built into every component.

Maximize performance in your race built 2011-2015 GM 6.6L Duramax LML with the MBRP C6044PLM 4" PLM Series Downpipe-Back Competition Exhaust System. Built from heavy duty aluminized steel, the Performance Series exhaust systems offer a value price without compromising on the quality built into every component.

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Maximize performance in your race built 2011-2015 GM 6.6L Duramax LML with the MBRP C6048PLM 5" PLM Series Downpipe-Back Competition Exhaust System. Built from heavy duty aluminized steel, the Performance Series exhaust systems offer a value price without compromising on the quality built into every component.

Maximize performance in your race built 2015.5-2016 GM 6.6L Duramax LML with the MBRP C6045PLM 4" PLM Series Downpipe-Back Competition Exhaust System.

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The AFE 49-44053-X MACH Force XP 4" Downpipe-Back Race Exhaust System for your 2015.5-2016 GM 6.6L Duramax is a true 4" from the down-pipe back, the MACH Force XP exhaust is engineered to perform in the most extreme environments.

The MBRP S6032304 4" Pro Series Filter-Back Exhaust System for your 2011-2017 GM 6.6L Duramax is the best performance exhaust system that money can buy.

The MBRP 5" XP Series Filter-Back Exhaust System S60360409 for your 2011-2017 GM 6.6L Duramax LML/L5P is the performance exhaust of choice for the enthusiast who needs a system that can take anything that the road throws at it.

The Best Systems Start with the Best Materials MBRP's XP Series is the performance exhaust of choice for the enthusiast who needs a system that can take anything that the road throws at it. This system's rugged sixteen gauge T409 construction can...

The Best Systems Start with the Best Materials Built from heavy duty aluminized steel our Installer Series performance exhaust systems offer a value price without compromising on the quality built into every component. While the seams are a major...

The Best Systems Start with the Best Materials Built from heavy duty aluminized steel our Installer Series performance exhaust systems offer a value price without compromising on the quality built into every component. While the seams are a major...

The Best Systems Start with the Best Materials MBRP's XP Series is the performance exhaust of choice for the enthusiast who needs a system that can take anything that the road throws at it. This system's rugged sixteen gauge T409 construction can...