03-05 Duramax LB7 LLY Fleece Tapshifter Kit Intake This downpipe features a flange

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

both I/C tubes are mandrel bent and powder coated for maximum flow and performance

is pending with CARB

Suggested option - BD Valve Body

- 17-4 Stainless Misalignments

03-05 Duramax LB7 LLY Fleece Tapshifter Kit Intake This downpipe features a flangeThe 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