Replacement Up-Pipe (Driver Side) for OEM Exhaust Manifold

Features:

• Fits 2001-2016 6.6L Duramax Silverado and Sierra
• Direct bolt-on to factory exhaust manifolds
• Replaces OEM driver-side up-pipe
• 53% greater flow than stock up-pipes
• Reduces exhaust back-pressure significantly
• Improves turbo spool and throttle response
• Lowers exhaust gas temperatures under load
• 11-gauge 304 stainless steel construction
• .120 inch wall thickness for added strength
• Internally sleeved stainless bellow design
• Built to handle high temps and pressure
• Durable upgrade for towing or performance builds

Let Your Duramax Breathe Like It Should

If you're still running a restrictive factory up-pipe on your 6.6L Duramax, you're leaving performance on the table. The PPE 116120005 Driver Side Replacement Up-Pipe is a direct bolt-on upgrade that brings serious improvements in flow, durability, and turbo response. Designed to outlast and outperform stock components, this high-flow pipe reduces back-pressure and helps your turbo spool faster, making your truck feel more responsive under load. Whether you're towing, hauling, or just tired of sluggish throttle response, this upgrade adds real-world drivability benefits without complicated modifications. PPE uses thick 11-gauge 304 stainless steel and an internally sleeved bellow that holds strong under high temps and pressure, making it ideal for tuned trucks and hard-use applications. This isn’t just about numbers, it’s about getting cooler exhaust temps, better throttle feel, and long-term reliability. For any 2001-2016 Silverado or Sierra Duramax owner looking to replace a cracked or worn stock unit, this is a no-brainer upgrade.

Precision Built To Outflow And Outlast Stock Units

The PPE 116120005 Driver Side Up-Pipe is engineered as a direct replacement for the OEM up-pipe found on 2001-2016 GM 6.6L Duramax trucks. Unlike factory pipes that can develop cracks or suffer from internal flow restrictions, this PPE unit is constructed from heavy-duty 11-gauge 304 stainless steel with a .120-inch wall thickness. It features a free-flowing, internally sleeved stainless steel bellow that allows for thermal expansion while maintaining a consistent, high-flow pathway for exhaust gases. This results in up to 53% more flow than stock, contributing to faster turbo response, reduced back-pressure, and lower exhaust gas temperatures. The design supports both reliability and performance, making it well-suited for work trucks, daily drivers, or performance builds. Installation is straightforward, utilizing factory mounting points and mating directly to OEM exhaust manifolds. This up-pipe also serves as a replacement component for the PPE High-Flow Up-Pipe Kit, offering a cost-effective way to restore or upgrade your system without compromise.

Fitment: 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 GM Sierra/Silverado 6.6L Duramax

Notes:

• Fits 2001–2016 GM 6.6L Duramax Silverado and Sierra
• Replaces driver-side up-pipe connected to OEM manifold
• Designed as a direct bolt-on replacement for stock piping
• Provides up to 53% greater exhaust flow than OEM
• Reduces back-pressure to improve turbo efficiency
• Constructed from 11-gauge 304 stainless steel
• Includes internally sleeved stainless steel bellow
• Built to handle high heat and pressure conditions
• Improves throttle response and lowers EGTs
• Intended as a replacement for PPE High-Flow Kit SKU 116120000