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GM Duramax 6.6L Downpipe-Back Race Exhaust System (2011-2015)

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Original price

$773.99

Sale price

$539.99

Downpipe-Back Race Exhaust for 2011-2015 GM Duramax 6.6L

Downpipe-back race exhaust system designed for 2011-2015 Chevrolet Silverado and GMC Sierra 2500 & 3500HD 6.6L Duramax pickup trucks. This system is not compatible with Cab & Chassis models.

 

Note: Off-road use only. Requires race tuning.

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Vehicle fitment

Specifically crafted for 2011, 2012, 2013, 2014, and 2015 Chevrolet Silverado & GMC Sierra 2500 & 3500HD 6.6L Duramax engines.

Product features

Features:

  • Stainless Steel Piping: Built with durability and long-lasting performance in mind.
  • Available in 4" or 5" Options: Choose between 4" or 5" diameter piping to match your specific performance needs.
  • OE Style Hangers: Includes factory-style hangers for a straightforward installation process.
  • Straight-Through Design: Optimized for maximum exhaust flow, enhancing performance in competition settings.
  • Maximum Flow for Competition Applications: Designed to improve exhaust flow, contributing to increased power output.
  • No Bungs: Streamlined design for unobstructed exhaust flow.
  • Not Compatible with Late Model 2015s with 3 Bolt Flange: Ensure compatibility before purchase.
  • Customization Options: Add a 4" or 5" muffler to tailor sound and performance.
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