aftermarket exhaust on sp 500?
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aftermarket exhaust on sp 500?
i have an aaen that i run from time to time it makes a slight diff and alot more noise.i since then have made my ..redneck stock muffler.. i took an 1/8 drill bit and drilled about 60 holes around the end of my stock pipe. when you want it quiet put little screws in it when you want more performance take some screws out. its tuneable and it works..
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