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xpression |
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back pressure is your friend with modern engines. Fit too free-flowing exhaust and you will lose power - particularly without a Tune.
BPT are the experts at ford performance in WA |
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racer |
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You need to retune it again. End of story.
_________________ FORD EL 4.0L. Crow cam, T.I Performance J3 Chip, Vernier cam gear, SPR ported head, 68mm TB, AU head gasket + ARP studs, AU injectors, Pacey 4480, High flow cat, Shift kit, Stallie, 3:73 TrueTrac. |
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