Randy Monroe RF V3 B Series Swap Big Tube Style 4-1 Header B16 B18 B20 EG EK DC2 Charge Pipe Kits You will reuse the o-ring

You will reuse the o-ring supplied with your throttle body

0L BMW E92 M3 S65 4

Will not work for: F23 H22A/1 OR H23

"Ukrainian"

5L BMW E60 525i N52 3

Randy Monroe RF V3 B Series Swap Big Tube Style 4-1 Header B16 B18 B20 EG EK DC2 Charge Pipe Kits You will reuse the o-ringAllows for fitment with Air Conditioning & Power Steering Made of 18 gauge, 304 SS One year warranty True 2. 5" collector CNC machined manifold flanges Flange is . 38" thick Includes all necessary gaskets for installation Fits EG EK DC2 & Pre 1965 Vehicles with an B Series Swap Power Gains: 10+WHP gains on a stock GSR with no electronic tuning. Designed to fit half size radiators, will not fit full size radiators.