got my exhaust the other day, got a 2 1/4" catback with a Lawson Muffler 2 1/4" inlet and 4" outlet. how good is this muffler dont really know much about them. i can feel a little difference in acceleration, but i do want to change to cold air, but i cant find any cold air kits for the supra where can i find one. any solutions?
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