Moroso Exhaust Port Blockoff - 1-Piece - GM LS-Series (Pair) 15-NEC-CAR 2004-2008 GMC W3500 Forward

2004-2008 GMC W3500 Forward

The unique design disassembles which allows you to slide a new window net right on

while at the same time helping keep the inside of your visor clear

In fact it was our founders Brian and Ken Murphy that designed and developed the first aftermarket air intake system

Moroso Exhaust Port Blockoff - 1-Piece - GM LS-Series (Pair) 15-NEC-CAR 2004-2008 GMC W3500 ForwardProduct Description: Exhaust Port Blockoff 1 Piece Aluminum Natural GM LS Series Pair Moroso Performance Products is one of the worlds most respected suppliers of automotive equipment for racing and street performance applications. Moroso manufactures over 4000 products, from oil pans and oiling systems, to ignition wire, ignition components, valve covers, fuel system equipment, air cleaners, hard core racing tools, chassis and suspension equipment