4 XP Series downpipe back exhaust for 2001-2007 GM Duramax 6.6L (LB7/LLY/LBZ). T409 stainless steel construction with T304 polished muffler and tip for durability and performance.
OEM remanufactured Bosch fuel injector for 2004.5-2005 GM 6.6L Duramax LLY. Includes new chrome plated ball/seat for corrosion resistance, updated body to prevent cracking. 12 month/unlimited mile warranty.
High-flow cast iron exhaust manifolds with up-pipes for 2001-2016 GM Duramax. Improved flow, reduced cracking risk vs stock. OBSOLETE/discontinued item.
Top-Tier Diesel Parts. Unbeatable Prices. Canada-Wide Shipping. We’re your trusted source for premium diesel performance and replacement parts sourced from leading manufacturers across North America.
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