PPE 116111800 Exhaust Manifolds & Up-Pipes | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Features:

• Fits 2007.5–2010 6.6L Duramax LMM engines
• High-flow cast high-sil moly exhaust manifolds
• Internally sleeved 304 stainless steel up-pipes
• Increased inner diameter for improved exhaust flow
• Reduces drive pressure and backpressure
• Lowers exhaust gas temperatures (EGTs)
• Speeds up turbo spool and boost response
• Increases horsepower and low-end torque
• Enhances overall fuel efficiency and performance
• Designed for high durability and thermal stability
• Ideal for towing and performance applications
• Direct bolt-on upgrade for stock exhaust components

Give Your Duramax The Flow And Power It Deserves

If your 2007.5–2010 Duramax LMM is still running stock manifolds and up-pipes, you're leaving serious performance on the table. The PPE Exhaust Manifolds & Up-Pipes kit is designed to wake up your truck with smoother exhaust flow, faster turbo spool, and noticeable gains in power and efficiency. These high-flow components eliminate restrictive factory bottlenecks, giving your turbo the chance to breathe and respond the way it should. Whether you’re towing up a grade or just want better throttle response on your daily drive, this setup delivers a real-world difference. You’ll also benefit from cooler exhaust gas temperatures, which means improved reliability under load and longer-lasting components. And with PPE’s cast high-sil moly construction and internally sleeved stainless up-pipes, this kit is built to handle heat and pressure without breaking a sweat. It’s a clean, bolt-on upgrade that brings serious performance to your LMM without the headaches of a full system overhaul.

Engineered To Optimize Exhaust Flow And Turbocharger Efficiency

The PPE 116111800 Exhaust Manifolds and Up-Pipes are built to maximize the performance potential of the 2007.5–2010 6.6L Duramax LMM engine by eliminating restrictive factory components. The cast high-sil moly manifolds are designed to resist warping and cracking under extreme heat while providing a smooth path for exhaust gases to exit the heads. Complementing the manifolds, the aircraft-grade 304 stainless steel up-pipes feature internally sleeved bellows and increased internal diameter, allowing for significantly higher flow capacity. This improvement directly reduces drive pressure, lowers exhaust gas temperatures, and enhances overall engine efficiency. The result is faster turbocharger response, improved fuel economy, and increased horsepower and torque across the powerband. Each component is designed to bolt directly in place of factory hardware, making installation simple and eliminating the need for custom fabrication. Ideal for both towing and performance applications, this PPE system delivers long-term durability with the flow characteristics needed to support higher power demands. It’s a well-balanced solution for drivers who want to unlock the full potential of their Duramax.

Fits: 2007.5, 2008, 2009, 2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Notes:

• Designed specifically for 2007.5–2010 6.6L Duramax LMM engines.
• Manifolds are cast from high-sil moly for strength and heat resistance.
• Up-pipes constructed from aircraft-grade 304 stainless steel.
• Up-pipe bellows are internally sleeved for added durability.
• Increased internal diameter improves exhaust flow efficiency.
• Reduces drive pressure and helps lower exhaust gas temperatures.
• Enhances turbo spool-up and throttle response.
• Improves horsepower, torque, and fuel economy.
• Direct bolt-on design with no major modifications required.
• Ideal for performance builds and heavy towing applications.