I know for the rear i need an adapter to put on new speakers, but for the fronts will any 4in line up? or do i need some adapter? thanks.

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Just a wagon driver.

i have 6.5 in my doors......takes alot of work but it is worth it!!!!

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98.5 a4 1.8t 5speed.apr chip.apr r1 d/v.carbonio intake and engine cover.apr exhaust.3'test pipe.apr snub.samco boost hoses.apr tip.ecs crank pully.autometer boost gauge in vent.blacked out badges.more to come!!!!