Sport exhausts in stock & ready to go

Sport exhausts affect the Blow phase of combustion - getting rid of the exhaust fumes is important and the less pressure there is in the exhaust system the higher the BHP produced.

However the rate of flow or velocity of the exhaust gases also comes into the equation. Big exhausts slow up the flow and smaller ones increase it. You have to balance the exhaust to give the best flow rate without causing backpressure (a delay of exhaust gases unable to escape quickly.)

For more information on brakes read the rest of this article at our tuning partner TorqueCars.

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Janspeed Back Boxes

Stainless steel exhausts which outlast standard parts.

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Ashley Exhaust Manifold

Built to perform in race conditions. Serious stuff!