Flowtech Shorty Headers - Black Painted 2011-audi-s5-esi9393097 200 in ID - Aluminum

200 in ID - Aluminum - Natural - Allstar 1/2 in Restrictor Plate - Set of 4

Valve Spring - Single Beehive Spring - 386 lb/in Spring Rate - 1

Shock - Street performance - Twintube - Steel - Silver Paint - Rear - 5 to 7 in Lowered - GM Fullsize Truck 2001-15 - Each

75 in Primary - 3 in Collector - Gaskets / Hardware Included - Stainless - Natural - Small Block Chevy - GM A-Body / F-Body / G-Body 1970-88 - Pair

This produces lower air intake temperatures which results in added horsepower and the ability to add more timing advance with less detonation

Flowtech Shorty Headers - Black Painted 2011-audi-s5-esi9393097 200 in ID - AluminumHeaders Shorty 1. 75 in Primary 2. 5 in Collector Gaskets Included Steel Black Paint Mopar Gen III Hemi Dodge Ram Fullsize Truck 2009 14 Pair