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what flows better and sounds better (muffler)
right now i have the flowmasters on my roush...
but i have been thinking about the spintech. which one would be a better performance muffler and which one in your opinion sounds better.
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2003 S2 Roush SuperCharged Stage 2 Roush Dyno Tuned at Dyno Labs in San Ramon www.dynolabs.com |
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