Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit - Raw Exhaust- Mufflers & Tips>Catalytic Converter Direct Fit This makes for an easy

This makes for an easy installation with no cutting required

the need to retard timing is significantly reduced

Dyno testing showed maximum gains of up to 33 whp and 30 wtq and peak gains of up to 28 whp and 21 wtq while maintaining safe AFRs on the stock tune

Injen is proud to introduce the all new Evolution (EVO) sealed cold air intake system for the 2012-2016 BMW 3-Series

This kit is complete and all-inclusive

Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit - Raw Exhaust- Mufflers & Tips>Catalytic Converter Direct Fit This makes for an easy3" High Flow Y Bridge for custom fabrication use. Not a direct OEM replacement. Does bolt to OEM intake runners. 3" Bead Roll Connection at inlet. 14 ga Aluminum neck and TIG welded CNC machined billet aluminum center section and flanges. Includes bungs for MAP sensor installation and 1 8" NPT accessory port. Raw aluminum finish requires additional finishing after purchase to prevent oxidation. The factory LB7 Duramax Y bridge is a significant