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2003-2005 GMC Savana 1500 SLE 2001-2002 GMC Savana 1500 SLT 2019 GMC Sierra 1500 AT4 2002-2005
it flows 35% better than stock
The world's best-selling Transfer Case Support/Ring Mount for the Atlas Transfer Case
internal bypass and Dual Speed Compression adjustment – allowing fine tuning for weight
Wehrli 20-24 Duramax L5P Stage 1 High Flow Bundle Kit 6.0L Power Stroke 2003-2005 GMC Savana 1500 SLEWehrli Model WCF100410 Stage 1 upgrade for the 2020 2025 L5P 6. 6L Duramax Diesel Chevrolet Silverado or GMC Sierra 2500 3500 HD truck improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory design that can lead to boost leaks or complete failures in hard working and high performance applications. Kit replaces the restricted 2 piece 2. 5 in. diameter driver
