Chevy and GMC Duramax Diesel Forum - View Single Post

kuntry_kid · 06-13-2008, 08:45 PM

From talking to my friends tht know a lot more about trucks than me...They say putting in a cold air intake and a new exhaust will improve MPG. Anybody tried these or have any knowledge in this department?

06-13-2008, 08:45 PM	eBay Motors #4 (permalink)
kuntry_kid Member Join Date: Dec 2007 Location: San Antonio, TX Posts: 79	From talking to my friends tht know a lot more about trucks than me...They say putting in a cold air intake and a new exhaust will improve MPG. Anybody tried these or have any knowledge in this department?