don't waste your time or money on exhaust it does nothing except noise,, when mine was a V6 i did them all best was to remove the rear cats and the resonator I also Did straight exhaust,,no cats,,no muffler just drone loud drone the problem is the exhaust manifolds they are only 1 1/8 opening, if you want to do it right the first time get the headers ,and down pipes if you have to have cats needswings has high performance ones. same money spent and it works. jim

P S when u are ready for a 2. 89 let me know.,,, I can send it to Rudy and he can install it for you.