03-05 Duramax LB7 LLY Fleece Tapshifter Kit Intake Suggested option - BD Valve

Suggested option - BD Valve Body

The ends of the studs are broached to facilitate easy installation

- 17-4 Stainless Misalignments

This downpipe features a flange that bolts to the stock catalytic converter or to an MBRP Cat Delete Pipe

03-05 Duramax LB7 LLY Fleece Tapshifter Kit Intake Suggested option - BD ValveThe Fleece Performance TapShifter allows you to shift your 2003 2005 GM Allison Transmission with the touch of a button just like the 2006 and newer trucks. Perfect for towing, drag racing, daily driving and everything in between, the TapShifter installs in no time and provides factory like operation, functionality and styling. The TapShifter can be used in the gas or diesel 2003 2005 trucks with an Allison Transmission. Installation The TapShifter