This aFe POWER turbo downpipe is engineered to outflow and outperform the restrictive, factory downpipe on the 2011 - 2015 GM Truck with V8-6.6L (td) engine. The mandrel bent, stainless steel tubing offers smoother transition bends for increased airflow, delivering quicker turbo spool times. CNC machined V-band inlets and outlets ensure a factory style, 360-degree sealing surface. Both inside and outside surfaces of the downpipe are ceramic coated to reduce EGT's even in the most extreme environments.
Installation InstructionsThis Part Fits:
| Year |
Make |
Model |
Submodel |
| 2015 |
Chevrolet |
Silverado 2500 HD |
High Country |
| 2011-2015 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2011-2015 |
Chevrolet |
Silverado 2500 HD |
LTZ |
| 2011-2015 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2015 |
Chevrolet |
Silverado 3500 HD |
High Country |
| 2011-2015 |
Chevrolet |
Silverado 3500 HD |
LT |
| 2011-2015 |
Chevrolet |
Silverado 3500 HD |
LTZ |
| 2011-2015 |
Chevrolet |
Silverado 3500 HD |
WT |
| 2015 |
GMC |
Sierra 2500 HD |
Base |
| 2011-2015 |
GMC |
Sierra 2500 HD |
Denali |
| 2011-2015 |
GMC |
Sierra 2500 HD |
SLE |
| 2011-2015 |
GMC |
Sierra 2500 HD |
SLT |
| 2011-2014 |
GMC |
Sierra 2500 HD |
WT |
| 2015 |
GMC |
Sierra 3500 HD |
Base |
| 2011-2015 |
GMC |
Sierra 3500 HD |
Denali |
| 2011-2015 |
GMC |
Sierra 3500 HD |
SLE |
| 2011-2015 |
GMC |
Sierra 3500 HD |
SLT |
| 2011-2014 |
GMC |
Sierra 3500 HD |
WT |
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Fitment Guarantee:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Leveraging our massive supply chain, we secure hard-to-find components that other shops can't access. Whether it's a standard upgrade or a custom exotic application, we have the network to get it to your door.
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Direct Consultation:
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support@autohousesupply.com
Our experts will review your specifications and provide written confirmation for your build.
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For tracking updates or status inquiries on existing orders, please reach out via our Contact Form. Having your order number ready will allow us to provide the most efficient update.
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At AutoHouse Supply, we are enthusiasts first. Our goal is to provide a seamless logistical experience so you can focus on your build. Please see our standard guidelines below.
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Secure Shipping:
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We offer FREE Ground Shipping within the 48 contiguous United States. Most in stock orders process within 48 hours. For your security, high value performance parts require a signature upon delivery to ensure they reach you safely.
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Please inspect your order immediately. Damage must be reported within 48 hours. For freight/LTL items, if you cannot inspect the contents immediately, please write "Subject to Inspection" on the delivery receipt before signing.
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Unused items in brand new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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To ensure every customer receives brand new, untampered components, parts that have been installed, modified, or used are non returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Need assistance? Reach out via our
Contact Form before shipping any items back so we can provide you with an RMA number.
Fitment Guarantee
Fitment guides and tools are helpful, but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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Questions? Send us your
Year, Make, and Model via our
Contact Form and we’ll get you a definitive answer so you can buy with confidence.
