Replace the lightweight 16G, leak-prone, 1 5/8" OEM up pipes with these heavy-duty 11 gauge 2" Stainless up pipe kit. HD Stainless Bellows that will not crack and leak like OEM. Increase Turbo spool-up and decrease EGTs. This kit is for use with single turbo applications and factory exhaust manifolds. - - NOTE: These up pipes ONLY fit with OEM exhaust manifolds or WCFab Duramax Billet Exhaust Manifolds (WCF100363). - - Designed for use with WCFab downpipe. OEM and other aftermarket downpipes may require additional modifications - - Replaces the following GM Part numbers: 97223167, 97302261
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2001-2004 |
Chevrolet |
Silverado 2500 HD |
Base |
| 2001-2004 |
Chevrolet |
Silverado 2500 HD |
LS |
| 2001-2004 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2004 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2001-2004 |
Chevrolet |
Silverado 3500 |
Base |
| 2001-2004 |
Chevrolet |
Silverado 3500 |
LS |
| 2001-2004 |
Chevrolet |
Silverado 3500 |
LT |
| 2004 |
Chevrolet |
Silverado 3500 |
WT |
| 2002-2004 |
GMC |
Sierra 2500 HD |
Base |
| 2001-2002 |
GMC |
Sierra 2500 HD |
SL |
| 2001-2004 |
GMC |
Sierra 2500 HD |
SLE |
| 2001-2004 |
GMC |
Sierra 2500 HD |
SLT |
| 2003-2004 |
GMC |
Sierra 2500 HD |
WT |
| 2002-2004 |
GMC |
Sierra 3500 |
Base |
| 2001-2002 |
GMC |
Sierra 3500 |
SL |
| 2001-2004 |
GMC |
Sierra 3500 |
SLE |
| 2001-2004 |
GMC |
Sierra 3500 |
SLT |
| 2004 |
GMC |
Sierra 3500 |
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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Exclusions:
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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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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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