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Back to the OP's original question. You will not keep your warranty with "long tube headers" because that modification will require a tune. A tune will void any engine and probably any drivetrain warranty claim whether it actually caused the malfunction or not. Headers with the stock exhaust and a tune will add 30-40 HP and give better mid and upper range pull.
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2018 Camaro ZL1 1LE NFG; ARH 2” headers, catless mids, ARH full exhaust, Lingenfelter 18% lower pulley, ATI Harmonic Balancer, Roto-fab CAI, EE-catch can, TM ported TB, NX Lid, BMR strut tower brace. Aeroforce dual pod interceptor gauges. Tuned by Vengeance Racing!!! 644 HP @ 6250 rpm / 689 trq @ 3660 rpm
Four that wanna own me
Two that wanna stone me
One says she's a friend of mine...
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