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.
- This leads to severe turbo lag, lost boost pressure, skyrocketing EGTs, and annoying exhaust leaks inside the engine bay. this complete kit permanently eliminates the factory leak point, restores lost boost, and drops EGTs whether you are towing heavy or racing on the track.
Key Features
- Mandrel-Bent Tubing: Smooth, unrestrictive bends maximize exhaust gas velocity heading into the exhaust housing of the turbocharger.
- Reinforced Interlocking Bellows: Designed with heavy-duty internal sleeves that protect the flex section from extreme exhaust velocity, preventing cracking and leaks permanently.
- Restores Lost Boost: Seals the exhaust system completely, ensuring maximum drive pressure reaches the turbo to eliminate lagging and restore crisp throttle response.
- Purposely Indented Pass-Side: The passenger-side pipe is custom-profiled with a precision indentation to ensure perfect clearance against the tight firewall.
FAQ
Q: Does this kit include both sides?
A: No. This product includes Passenger Side Up-Pipe and the necessary replacement gaskets. The passenger side is statistically the most common side to crack and leak on 01-16 Duramax trucks.
Q: What are the symptoms of a leaking passenger up-pipe?
A: Look for a loud whistling or hissing sound under acceleration, a noticeable drop in boost pressure, lazy throttle response, elevated EGTs, and visible black soot deposits on the back of the engine block near the firewall.
Q: What does "purposely indented passenger side" mean?
A: The passenger-side firewall clearance on Duramax trucks is extremely tight. Our passenger-side up-pipe features a engineered indentation in the tubing to perfectly mimic the factory profile, ensuring an easy install with zero cabin vibration or rubbing.
Q: Do I need to buy a tuner for this up-pipe?
A: No. This is a mechanical pre-turbo exhaust pipe and contains no electronic sensors. It is 100% compatible with stock trucks and will not trigger any Check Engine Lights (CEL) or diagnostic codes.
Q: What is an up-pipe and how is it different from a downpipe?
A: Up-Pipe vs. Downpipe: The high-pressure Up-Pipe connects the manifold to the turbo inlet—leaks here kill drive pressure, causing massive turbo lag and lost power. The Downpipe connects to the turbo outlet to dump exhaust—upgrading it eliminates crushed factory restrictions, slashing EGTs so the turbo can breathe freely.
