Free up exhaust flow with a high-flow metal catalytic converter that reduces backpressure, sharpens throttle response, and supports future tuning without harsh drone.
$2,600
The HKS Metal Catalyzer enhances exhaust efficiency for the Mazda RX8 Series 1 (2003–2008) with a high-flow, heat-resistant metallic core that reduces restriction while maintaining emissions compliance. The result is smoother, more responsive power delivery across the rev range.
You will experience a smoother, freer-revving engine character with improved drivability and a more responsive feel.
For an optimised setup, consider combining with the AUTOEXE Ram Air Intake or the KTS Induction Tube.
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Price range: $90 through $390 inc GST
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