RE: Axel Back Ex. Question.
Most axle-back system won't really lose or gain anything.
Long tube headers will run you upwards of $500 for various types. Install depends on your shop, but would imagine that would be a couple hundred of dollars too.
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2006 Mustang GT
Exterior: Black Clearcoat
Interior: IUP, Dark Charcoal, Leather, Shaker 1000
Best 1/4: 13.075 @ 107.75 mph
Weight: 3660. Full Street Trim + Driver
40 series Flowmasters
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