difference between headers
#2
TECH Fanatic
iTrader: (35)
You can get too big on primary size, unless you have the engine for the 1 7/8 you will be fine with the 1 3/4. On a stock engine You could possibly lose and I dont think you would see any increase IMO, Now ported heads and a fast intake with a stout cam and the larger ones are the way to go.