Wehrli 17-26 L5P Duramax 6.6L High Flow Y-Bridge Kit - Gloss Black

Take the performance of your 6.6L L5P Duramax diesel engine equipped 2017-2026 Chevy Silverado / GMC Sierra 2500/3500 HD truck to the next level with this High Flow Y-Bridge Kit from Wehrli Custom Fabrication. This upper intake manifold represents the culmination of our years of R&D experience pushing this GM platform to its limits- engineered to maximize airflow, improve efficiency and support everything from stock trucks to high-horsepower builds while addressing critical weak points. This kit provides an emissions compatible, Made in USA part delivering 33% More Air Flow than OEM and requiring no additional tuning for installation. Additional benefits include evenly distributed charged air to both engine cylinder heads and specially designed ports to help protect the engine MAP sensor(s) from harmful oil and soot buildup. The results are improved throttle response, quicker turbo spool-up, lower exhaust gas temperatures (EGTs) while towing, and increased overall engine efficiency in a package that provides the high level of fit and finish customers have come to expect from WCFab. Pair it with custom performance tuning and upgraded turbochargers to unlock the additional overhead needed to reach peak horsepower levels that simply cannot be achieved with a stock y bridge assembly.This Part Fits: Year Make Model Submodel 2021-2026 Chevrolet Silverado 2500 HD Custom 2017-2026 Chevrolet Silverado 2500 HD High Country 2017-2026 Chevrolet Silverado 2500 HD LT 2017-2026 Chevrolet Silverado 2500 HD LTZ 2017-2026 Chevrolet Silverado 2500 HD WT 2024-2026 Chevrolet Silverado 2500 HD ZR2 2017-2026 Chevrolet Silverado 3500 HD High Country 2017-2026 Chevrolet Silverado 3500 HD LT 2017-2026 Chevrolet Silverado 3500 HD LTZ 2017-2026 Chevrolet Silverado 3500 HD WT 2020-2026 GMC Sierra 2500 HD AT4 2024-2026 GMC Sierra 2500 HD AT4X 2017-2021 GMC Sierra 2500 HD Base 2017-2026 GMC Sierra 2500 HD Denali 2024-2026 GMC Sierra 2500 HD Denali Ultimate 2022-2026 GMC Sierra 2500 HD Pro 2017-2026 GMC Sierra 2500 HD SLE 2017-2026 GMC Sierra 2500 HD SLT 2020-2026 GMC Sierra 3500 HD AT4 2017-2021 GMC Sierra 3500 HD Base 2017-2026 GMC Sierra 3500 HD Denali 2024-2026 GMC Sierra 3500 HD Denali Ultimate 2022-2026 GMC Sierra 3500 HD Pro 2017-2026 GMC Sierra 3500 HD SLE 2017-2026 GMC Sierra 3500 HD SLT