Vibrant -10AN Flare to AN Straight Thread (9/16-18) with O-Ring Adapter Fitting 1988-gmc-v3500-esi4525051 Inside the rails

Inside the rails

Each exhaust comes complete with bespoke adapter plates and gaskets to AWE’s dual 3” system to factory downpipes

The VVB rotary switch offers three different modes included automatic moderate and aggressive downshifting programs for the Allison transmission to give better weight control

These headers are designed specifically for the Gen 2 LT1 5

A simple custom adapter will be required to mate your aftermarket downpipe & the 3

Vibrant -10AN Flare to AN Straight Thread (9/16-18) with O-Ring Adapter Fitting 1988-gmc-v3500-esi4525051 Inside the railsVibrant Performance Male AN Flare to Male ORB Straight Adapters are lightweight and constructed from 6061 Aluminum Alloy. Our Male AN Flare to Male ORB Straight Adapters deliver quality, reliability, smooth flow, ease of assembly and the comfort of an anti leak seal and are designed to fit most popular oil pumps, fuel pumps, fuel filters and a wide range of other common components. All Vibrant Performance Adapter Fittings are available in anodized