The original exhaust system on our 318is was—to be nice—junk. On past BMW project cars, a decent aftermarket exhaust always sounded right and made a bit more power than a stock system, so naturally we decided that if we could still find one, an aftermarket exhaust system was a must for this project.
It has been nearly thirty years since …
I'm finishing up my 318 project and took your advice regarding the Supersprint muffler. Could you elaborate on what you did to get proper fitment? I'm having some issues regarding that and would like to know what worked for you.
I had a supersprint on my old 318ti. It was subtle, you would never know that it was aftermarket by the sound, but it did make a difference in acceleration and MPGs
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