Header Increase ???
#1
Header Increase ???
Just wondering going from a Stock LT1 and putting long tube headers on it what kind of power increase have you gotten and or shaved off your ET ???? Thanks
#2
TECH Senior Member
iTrader: (2)
Headers usually result in (on average) around a 15-20HP/15-20TQ increase when mated to a decent-flowing cat-back - more if you have additional supporting modifications (CAI, 1.6 rockers, valvetrain work, etc.). Those numbers in a perfect world would result in anywhere from .1 to .3 ET reduction.
#4
TECH Senior Member
iTrader: (36)
Headers usually result in (on average) around a 15-20HP/15-20TQ increase when mated to a decent-flowing cat-back - more if you have additional supporting modifications (CAI, 1.6 rockers, valvetrain work, etc.). Those numbers in a perfect world would result in anywhere from .1 to .3 ET reduction.