FITMENT
- 2001-2004 6.6L Silverado & Sierra Duramax LB7 Diesel
- 2004.5-2005 6.6L Silverado & Sierra Duramax LLY Diesel
- 2006-2007 6.6LSilverado & Sierra LBZ 6.6L Diesel
- 2007.5-2010 6.6L Silverado & Sierra LMM Diesel
- 2011-2016 6.6L Silverado & Sierra LML Diesel
- Note: Specifically designed for the Passenger Side of the vehicle only.
- Will NOT fit 3500/4500/5500 Cab & Chassis commercial-style trucks.
DESCRIPTION
Product Overview
- Over time, the factory up-pipes on 01-16 Duramax trucks suffer from a guaranteed failure point—the fragile OEM bellows, Under intense exhaust heat and high drive pressure, these thin factory bellows warp, crack, and leak.
- Under continuous intense exhaust heat and high drive pressure, these thin factory bellows warp, crack, and leak. This leads to severe turbo lag, lost boost pressure, skyrocketing EGTs, and annoying exhaust leaks inside the engine bay.
- this complete driver and passenger side kit permanently eliminates leak points, restores lost boost, and ensures maximum exhaust energy reaches your turbo.
Key Features
- Premium T-304 Stainless: Crafted from extra-thick,industrial-grade 304 SS to handle extreme EGT cycling without cracking or warping.
- Interlocking Inner Liner Bellows: Designed with heavy-duty internal sleeves that protect the flex section from high-velocity exhaust heat blasts, preventing fatigue-cracking permanently.
- Restores Lost Boost: Seals the exhaust system entirely, ensuring maximum drive pressure reaches the turbo housing to eliminate lag and restore crisp throttle response.
- Precise OE-Style Alignment: Jig-built and precision-welded flanges guarantee an absolute airtight, bolt-on seal to your factory exhaust manifolds and turbo inlet.
FAQ
Q: Does this kit include both sides?
A: Yes! This product is a complete 2-piece kit that includes both the Driver (Left) and Passenger (Right) side up-pipes, plus the necessary replacement gaskets.
Q: Why are the bellows on this pipe better than factory?
A: Factory bellows are thin and unprotected. Our upgraded up-pipe features heavy-duty bellows lined with an internal directional sleeve. This shields the flexible outer ribs from continuous high-speed exhaust heat blasts, preventing premature metal cracking.
Q: Will these up-pipes lower my EGTs or make my turbo spool faster?
A: Only if your old pipes were leaking. These are factory replacements meant to restore performance, not upgrade it. Fixing a cracked bellows successfully recovers lost boost, eliminates turbo lag, and brings spiked EGTs back to normal.
Q: Should I choose the single passenger-side pipe or the complete pair?
A: Buy Passenger side only: If you are certain only your passenger side is cracked. The driver side is a short, simple pipe with no bellows, so it rarely fails. Buy this pair: If you want a complete pre-turbo refresh or if your driver-side flange is worn.
