WCF100775-SBO Wehrli Intake Horn

The WCFab L5P 4 in. High Flow Cast Aluminum Turbo Intake Horn for 2017-2024 Chevrolet Silverado or GMC 2500 / 3500 HD trucks equipped with the 6.6L Duramax Diesel is the largest and highest flowing turbo inlet on the market. Replaces the restrictive OEM plastic turbo mouthpiece to provide increased airflow to your turbocharger for improved engine performance and throttle response. Includes billet aluminum port for PCV system connection. Custom powder coated in the color of your choice. All aluminum construction provides increased durability and more aggressive turbo and engine sound. Made in USA! Pair it with our Stage 1 L5P Cold Air Intake Kits and Stage 1 High Flow Bundle Kits along with emissions compliant performance tuning and drop in performance turbochargers for maximum performance gains. - - Replaces the 12678756 turbo inlet in the following GM Part Numbers: 19432816 and 12682569 - - Supersedes WCFab part numbers: WCF100721 and WCF100833 - - Fitment Note: This product is also compatible with the L5D 6.6L Duramax found in 2019-2024 Medium Duty (4500, 5500, 6500) GM trucks.

• True 4" Inlet Turbo Intake with smooth flowing transition to strategically designed anti-surge face which properly engages into turbo compressor cover for optimized airflow and drivability.
• Bolt On Upgrade, No Tuning Required. Works with stock trucks, no other modifications or upgrades necessary!
• Compatible with stock and OEM-style aftermarket drop in style turbochargers with larger compressor wheels
• Includes #10 ORB threaded billet aluminum hose barb for PCV connection
• Works with OEM and Aftermarket Cold Air Intake Systems
• 25% Greater Flow Area than OEM at Compressor Inlet
• CNC Machined Cast Aluminum Construction
• O-Ring Seal at Face of Turbocharger
• Flows 27% Better than Stock!
• Includes Mounting Hardware
• Custom Powder Coat Finish
• Made in USA

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