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MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
  • MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit

MBRP 15.5-16 GM Duramax 6.6L 3in Down Pipe Kit
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🚨 Limited Stock – Don’t Miss Out!🚨
$304.99 USD $376.75 USD

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 use of this product is permitted. Not for sale or use in the state of California.

  • Direct Replacement. 20% Increased Flow Over Stock. Richer Diesel Sound.
  • 20 Percent Greater Flow Over Stock
  • Will Not Affect Emissions
  • Gains Of +21 Horsepower
  • 24 lb./ft./ Torque Gain
  • Greater Heat Retention
  • Richer Diesel Sound

This Part Fits:

Year Make Model Submodel
2015-2016 Chevrolet Silverado 2500 HD High Country
2015-2016 Chevrolet Silverado 2500 HD LT
2015-2016 Chevrolet Silverado 2500 HD LTZ
2015-2016 Chevrolet Silverado 2500 HD WT
2015-2016 Chevrolet Silverado 3500 HD High Country
2015-2016 Chevrolet Silverado 3500 HD LT
2015-2016 Chevrolet Silverado 3500 HD LTZ
2015-2016 Chevrolet Silverado 3500 HD WT
2015-2016 GMC Sierra 2500 HD Base
2015-2016 GMC Sierra 2500 HD Denali
2015-2016 GMC Sierra 2500 HD SLE
2015-2016 GMC Sierra 2500 HD SLT
2015-2016 GMC Sierra 3500 HD Base
2015-2016 GMC Sierra 3500 HD Denali
2015-2016 GMC Sierra 3500 HD SLE
2015-2016 GMC Sierra 3500 HD SLT
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30 Days Return
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Return policy

Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
Shipping

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.
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Frequently asked questions
What is the return policy?

Our goal is for every customer to be totally satisfied with their purchase. If this isn’t the case, let us know and we’ll do our best to work with you to make it right.

Are any purchases final sale?

We are unable to accept returns on certain items. These will be carefully marked before purchase.
When will I get my order?

We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Where are your products manufactured?

Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.

How much does shipping cost?

Shipping is calculated based on your location and the items in your order. You will always know the shipping price before you purchase.