Wehrli 20-24 Chevrolet 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - Gloss Black Suspension>Sway Bar Bushings Optional black (PN 49T25454-B09) and

Optional black (PN 49T25454-B09) and polished (PN 49T25454-P09) tips sold separately

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

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

Roto-molded Intake Tube

The Multiple Award-winning Kompact EM Series of Upgraded Diverter Valves are the world's first truly plug and play Upgrade solution for your factory diverter valve

Wehrli 20-24 Chevrolet 6.6L L5P Duramax 3.5in Intake Horn w/PCV Port - Gloss Black Suspension>Sway Bar Bushings Optional black (PN 49T25454-B09) and3. 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.