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Mazda RX7 Turbo II (89-91) Downpipe and presilencer

Mazda RX7 Turbo II (89-91) Downpipe and presilencer

£383.35 £460.02 (inc. VAT)
This down pipe bolts to the stock exhaust manifold, with the supplied pre-silencer connecting to the Y-pipe section eliminating the catalytic convertor
The 1987-91 RX-7 TURBO II Down Pipe/Presilencer combination incorporates a 2.5-inch 0.D. Down Pipe and a perforated stainless steel core and stainless steel wool-packed Power Pulse Presilencer to boost power approximately 14% - a 26 horsepower increase on a 1987 Turbo II RX-7 - and maintain a comfortable exhaust noise level during full power driving.

The replacement pipe connects to the turbo outlet flange and eliminates the catalytic converter, while the pre-silencer connects to the factory y-pipe for a complete bolt-on system.

A mounting position for the oxygen sensor is provided in the replacement pipe. The replacement pipe reduces exhaust gas back pressure, resulting in a turbo boost increase of 1-2 psi, without the use of an external boost controller. Our Fuel Cut Controller 87-88 or 87-91 is recommended to prevent fuel cutoff to the rear rotor. This kit contains mounting hardware, a split air cover plate, and gaskets. The turbo outlet gasket is available separately and should be replaced when installing the down pipe.
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