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Steed Speed 3rd Gen Cummins T4 Flange

Steed Speed 3rd Gen Cummins T4 Flange

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T4 flanged 3rd gen manifold

Testing at Fleece performance has shown very strong gains in power and much lower EGTs.

Dyno results showed 142hp and 380 ft lbs at 2000 rpms on 650 hp truck.

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