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I just got a brand new Greddy Exhaust system (which now I may potentially sell) and was wondering what the overall consensus is on that system? Any gains?
Should I plan on chopping up the Greddy exhaust and going for a true duel exhaust using the Greddy mufflers? Or should I just go for a custom exhaust and just buy 2 flowmasters?
What is the most cost effective way or getting the most power gains?