me currently using stock extractor, piping, centre bullet but 5zigen muffler, plannin to change it to a more performance wise set as in one whole set startin fr extractor to muffler.. so the 5zigen muffler gonna go into marketplace categories too
the 5zigen muffler has cost me noticeable few hp accordin to my 'butt dyno', so.. gonna pay a visit to exhaust shop soon; preferably sum branded one like tanabe or sumthin else, budget.. ermm.. around 1k or less i would say :X-:
I hav heard...
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