KA-T loudass backfire why? how do i fix
ok i got a big t3/t4 turbo, one piece downpipe to stock cat location, but no cat! now the exhaust isnt that loud to start because of the turbo all u hear is spool, but when i get off the throttle and or downshift, it sounds like a 12 gauge goin of under the car. what could be causeing this and if anyone has any ideas how do i fix it? thanx
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