Wehrli 20-24 Chevrolet 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - Gloss Black Suspension>Sway Bar Bushings 1 fluids (260C / 500F

1 fluids (260C / 500F mini) and DOT 4 (230C / 446F mini)

This adapter kit is manufactured and tested at Sinister Diesel's California headquarters

Exhaust burble adjustments in app on any map (OTS and custom)

All BBK exhaust headers are available in Titanium Ceramic or polished silver ceramic coated finish and include new exhaust header gaskets

Wehrli 20-24 Chevrolet 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - Gloss Black Suspension>Sway Bar Bushings 1 fluids (260C / 500F3. 5 in. Turbo Intake Horn for the 2020 2024 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2. 4 in. diameter and we experienced a 25HP Gain with our 3. 5 in. Horn when used with a Max Effort Tune. Tuning not required, this horn will work plug and play tuners or OEM calibration.