Header Question
Yes, it keeps in heat, so it doesn't go into your engine bay.
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2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
Team B.O.B.® - Ballaz on a Budget
2015 Ford Mustang GT Fastback - Ingot Silver - 6M - Performance Package - Gibson Catback, JLT CAI, FR 47lb injectors, BAMA E85 tune, Eibach Sportline, BMR wheel hop kit, UPR oil separator, Steeda shifter bushing/bracket
Team B.O.B.® - Ballaz on a Budget
yep.. does 2 things... one, it keeps the exhaust temp up therefore keeping exhaust velocity up, therefore reducing baackpressure.
two, it keeps extra heat out of the engine bay keeping the intake air cooler.
two, it keeps extra heat out of the engine bay keeping the intake air cooler.


