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Wehrli

691 products
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Regular price $664.99
Sale price $664.99
Regular price $685.00
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Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory des...
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Regular price $247.99
Sale price $247.99
Regular price $255.00
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Increase fuel filter capacity and amount of time between filter changes on your 2017-2024 L5P Duramax by upgrading from a stock cartridge style filter to our spin-on canister style filter. Featurin...
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Regular price $493.99
Sale price $493.99
Regular price $509.00
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The WCFab 2017-2019 L5P Duramax 2500 / 3500 & 2019+ L5D Duramax 4500 / 5500 / 6500 Fabricated Aluminum Coolant Tank Kit, mounts in OEM coolant tank location. The stock coolant reservoirs on the...
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Regular price $615.99
Sale price $615.99
Regular price $635.00
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Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory des...
3% Off
Regular price $664.99
Sale price $664.99
Regular price $685.00
Unit price
per 
Stage 1 upgrade for the 2017-2019 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo spool up. Eliminates weak points in the factory des...
3% Off
Regular price $1,552.99
Sale price $1,552.99
Regular price $1,600.00
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The OEM diameter and we experienced a 25HP Gain with our 4 in. turbo inlet when used with a Max Effort Tune. High quality hardware, silicone boot, seals, and stainless steel t-bolt clamps ensure op...