Milltek Toyota GR Yaris GPF Bypass Pipe inc. 200CPSI Catalyst 109 Engine oil cap functionality is

Engine oil cap functionality is retained so you can easily top-off your engine oil between services without engine cover removal

As with all our upgrades

Upon this discovery

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2) Maintain low inlet temperatures

Milltek Toyota GR Yaris GPF Bypass Pipe inc. 200CPSI Catalyst 109 Engine oil cap functionality isMilltek Toyota GR Yaris GPF Bypass Pipe inc. 200CPSI Catalyst SSXTY134 Tuning the GR Yaris? Removing factory restrictions in the downpipe is important to extract more power from these pocket rockets! This kit fits with OE Downpipe with either Milltek Sport or OE OPF GPF Back Systems with 200CPSI Catalyst Notes: Requires Stage 2 ECU Software calibration 3 (76. 20mm) Pipe Diameter Part Number Description MSTY115 Adapter to OE Downpipe MSTY117 OPF GPF