you can call active autowerks in miami [305-233-9300]ask for karl he's the owner,
he has a great system .it make just as much power as the kromakraft.it has 2 silencer for quiet tracks and you can remove 1 for 95 db tracks.
i did a lot of dyno work with them testing new stuff on carlos G car. i also believe bimmerworld is selling his exhaust system.
i hope this help!!
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