Thread: K&n 2004 325i
View Single Post
Old 01-11-2013, 07:10 PM   #6
jabela
4th Gear Member
 
Join Date: Apr 2007
Location: Toronto, ON, Canada
Posts: 707
The heat shield is important because it keeps the hot engine air away from your intake. Without it you will lose horsepower and get lower mpg.
__________________

2002 E46 325ci // 5spd // ISC N1 Coilovers
www.modernapothecary.ca
jabela is offline   Reply With Quote