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My buddy just installed slp longtubes w/ an x pipe and no cats. Now my car is backfiring really loud and frequently under normal driving. Car has stock exhaust (99 frc) any input is appreciated.
Being in CA, how are you going to pass emmissions?
I know a guy for that. Btw I do have bassani x-pipe. The backfire got way better(less) since yesterday. Somehow I was expecting alot more pwr from the longtubes and x-pipe. thank you for your input.
slp headers
