PPE 116120607 High Flow Up-Pipes | 2006-2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ

Features:

• 53 percent more flow than stock pipes
• Direct bolt-on fit to factory manifolds
• Made from 11-gauge 304 stainless steel
• Internally sleeved bellows resist cracking
• Handles high temperature and pressure cycles
• Ideal for stock or tuned Duramax engines
• Reduces exhaust restriction and turbo lag
• Increases turbo response and performance
• Superior strength over OEM up-pipes
• Designed for 2006–2007 Duramax LBZ engines
• Improves exhaust flow and lowers EGTs
• Built for long-term durability and power

Push More Power With Pipes That Can Take The Heat

If you're running a 2006–2007 Duramax LBZ, you already know your truck works hard, and your stock up-pipes are probably working overtime too. Over time, heat cycles and pressure swings wear them down until they crack, leak, or rob your turbo of efficiency. That's where the PPE High Flow Up-Pipes come in. Built to deliver 53 percent more flow than factory units, these pipes are made for the enthusiast who demands more performance and reliability without compromising fitment. Whether you're towing, racing, or just giving your truck the extra boost it deserves, these up-pipes deliver smoother exhaust flow and help your turbo spool faster. They bolt right onto your factory manifolds, so there’s no cutting or welding, just performance gains and peace of mind. PPE’s high-strength stainless steel design also looks as tough as it performs. It’s the kind of upgrade that doesn’t just fix a weak point, it makes your whole system stronger.

Engineered For Performance With Flow And Durability In Mind

The PPE 116120607 High Flow Up-Pipes are designed as a direct OEM replacement for 2006–2007 GM Silverado and Sierra 2500HD/3500HD models equipped with the 6.6L Duramax LBZ. Unlike factory up-pipes, which are prone to fatigue under prolonged exposure to heat and pressure, these are crafted from 11-gauge 304 stainless steel to resist warping and cracking. Internally sleeved stainless steel bellows provide greater flexibility and strength where the pipes see the most stress. With a 53 percent increase in exhaust flow over stock, they’re a significant upgrade for both stock and modified trucks, helping reduce drive pressure and lower exhaust gas temperatures. This improved flow contributes to faster turbo response and more efficient engine breathing under load. The bolt-on design ensures a hassle-free installation to factory manifolds using existing mounting points. Whether you're looking to replace failing components or optimize your Duramax’s performance, these up-pipes are built to handle it all. They're a smart investment for long-term reliability and consistent power delivery.

Fits: 2006, 2007 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ

Notes:

• Designed for 2006–2007 GM 6.6L Duramax LBZ engines
• Replaces factory up-pipes known to fail under heat and pressure
• Provides 53 percent greater exhaust flow than stock pipes
• Constructed from 11-gauge 304 stainless steel for durability
• Internally sleeved bellows reduce risk of cracking and fatigue
• Direct bolt-on fit to factory exhaust manifolds, no modification required
• Ideal for stock, tuned, or performance-built trucks
• Improves turbo spool and helps lower exhaust gas temperatures
• Helps reduce drive pressure and improve engine efficiency
• Recommended upgrade for towing and high-heat applications