i recently just bought a used RB header off ebay and it says 89-91 header in the title. i have a 88 and i just now realized what it said after i bought it. now i looked through the RB website and it looks like there is only one size of header that is 86-91. so i just want to make sure that i didnt make a mistake in buying this header?

 

I hope you got something other then the header unless you got a loud stereo.

 

lol ya i have 2.5 in tubing to a magnaflow race muffler with another magnaflow thats going to act as a pre silencer after the header. im just hoping thatll itll fit..like is there any difference in the S4 and S5 exhaust manifold size?

 

There are some minor fitment issues with Verts & automatics, but you will be fine.

Any baffle or fiberglass type muffler near the header will get hammered by the exhaust.

Straight through stainless steel wool packed types work best. (longer is better)

I was able to use cheap bombs back at the rear.
With good pre-silencers, the bombs were still OK after 2 years, when I sold the car.

 

thanks sureshot....ya mine is a gtu so there are no worries on fitment now thanks. any recomendations on a stainless steel wool packed muffler?