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      11-03-2012, 12:14 PM   #20
Longboarder
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Drives: 2016 BMW i8
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Any x-pipe with the primary cats removed will help. If you're on a budget, just take a good muffler shop and have the cats removed. Probably the cheapest 20 RWHP you will pick up. The next cheapest option would be a catless x-pipe. It will be loud however. The best of all worlds is probably a titanium exaust with high flow cats like the Akra Evolution but probably going to throw you back $6K or so.
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