Cold Air Intakes

Wehrli - WCF100441-CRWehrli Custom Fab High Flow Bundle Kit Stage 2, for 2017-2019 Duramax L5P, Candy RedThe 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,...

Wehrli - WCF100441-GWWehrli Custom Fab High Flow Bundle Kit Stage 2, for 2017-2019 Duramax L5P, Gloss WhiteThe 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,...

Wehrli - WCF100441-GFWehrli Custom Fab High Flow Bundle Kit Stage 2, for 2017-2019 Duramax L5P, Grape FrostThe 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,...

Wehrli - WCF100414-GRYWehrli Custom Fab High Flow Bundle Kit Stage 2, for 2020-2025 Duramax L5P, WCFab GreyThe 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,...

Wehrli - WCF100414-BCWehrli Custom Fab High Flow Bundle Kit Stage 2, for 2020-2025 Duramax L5P, Bronze ChromeThe 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...

Wehrli - WCF100418-KIWIWehrli Custom Fab High Flow Bundle Kit Stage 3, for 2020-2025 Duramax L5P, Kiwi GreenThe OEM resonator and middle boot joint for improved flow and durability and includes high quality reinforced silicone boots and stainless t-bolt...

Wehrli - WCF100418-GBWehrli Custom Fab High Flow Bundle Kit Stage 3, for 2020-2025 Duramax L5P, Gloss BlackThe OEM resonator and middle boot joint for improved flow and durability and includes high quality reinforced silicone boots and stainless t-bolt...

Wehrli - WCF100418-BRWehrli Custom Fab High Flow Bundle Kit Stage 3, for 2020-2025 Duramax L5P, Bengal RedThe OEM resonator and middle boot joint for improved flow and durability and includes high quality reinforced silicone boots and stainless t-bolt...

Wehrli - WCF100410-SBOWehrli Custom Fab High Flow Bundle Kit Stage 1, for 2020-2025 Duramax L5P, Sparkle Bomber OrangeStage 1 upgrade for the 2020-2025 L5P Duramax improves airflow between the turbo and engine for improved efficiency, throttle response,...

Wehrli - WCF100418-GWWehrli Custom Fab High Flow Bundle Kit Stage 3, for 2020-2025 Duramax L5P, Gloss WhiteThe OEM resonator and middle boot joint for improved flow and durability and includes high quality reinforced silicone boots and stainless t-bolt...

Wehrli - WCF100409-IPWehrli Custom Fab High Flow Bundle Kit Stage 1, 11-16 Duramax LML, Illusion PurpleStage 1 upgrade for the 2011-2016 LML Duramax improves airflow between the turbo and engine for improved efficiency, throttle response, and turbo...