hoosier, what exactly do you mean you took it off? ran the pipes without muffler and with muffler? ? my main reason is i need to know the SIZE of muffler that will fit either on a SVT system or a Single SE system, i dont have $$$ for the straight thru designs... plus this is all iam planning to do to my car, so i figure what would i have to gain by either a turbo or straight thru? a few HP, blah that aint crap... Aussie, i notice Magna has XL turbos that are not $$$$ ...