Originally Posted by JOHN328
I reckon mperformance be around $1300 -$1500.
Thing is that only gives u sound, no hp gain at all... May be 0.5hp.... Lol
I called my dealer today about M-Perf costs, but no response yet.
The M-Perf may even be somewhat more and I agree, not much whp gain, but after market (legal) exhausts aren't renown for serious performance gains. Perhaps a little boost.
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