3-Series (E36)Chat relating to the BMW 3-Series from 1992-1999. Autodoodad
Specific models include: BMW 316i, BMW 318i, BMW 318iS/ti, BMW 320, BMW 323, BMW 320, BMW 324, BMW 325, BMW 328.
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I have a 1992 325i, and want to know if any one tried to use a test pipe,or gut the cat, , does anyone know where i can get one, and does it make a big difference in power.
not much performance , no cats or hollowed out are probably the last step in finishing the entire exhaust system. track pipes are a little better because the tubing is a larger diameter.but if you havent done everything else than do those first (intake, throttlebody, exhaust manifold, exhaust (or cat back))
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, does anyone know where i can get one, and does it make a big difference in power. 
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