Lachute Performance Catted Downpipe (08-14 WRX & 08-21 STI)
$615.00
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304 stainless steel construction Larger piping diameter Smooth bends Designed with a high-flow catalytic converter Designed with an additional O2 bung for a wideband O2 sensor Improves throttle response Increases both horsepower and torque Reduces turbo lag A tune or ECU recalibration is always recommended with any aftermarket downpipe
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