Exhaust question

[e5s4y]

Originally Posted by SquirrelSOHC

okay... sorry for not making myself clear the reason i think that is because it is very large piping and when off the throttle cold air can rush in causing the hot exhaust valve to loose temp fast making it warp. Like i said it was just a rumor i have read before and i wanted to get some helpful input before i go and spend the money on a head thanks anyway..

are you expecting your motor to run in reverse when you get off the throttle? do you understand the basics of how a motor works? do you drive backwards on one way streets?

i dont understand your theory.