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hey guys, i recently just remved 2 of my muffles in my 06 gs300 awd. added a straight pipe. if i want to make it louder what else should i do? and i also want to add more power to my car.. what can i do?
convert to 2 straight pipes from the primary cats at the headers. Then replace the headers with PPE (vendor) or something similar and it will open it up nicely. Then boost your car and your golden
straight pipe muffler rmeoved
