Toyota Yaris GR 1.6 Turbo 2020+ 3" GPF Delete Downpipe Japspeed Milltek Yaris GR 3" 76mm Resonated OPF GPF Back System with GT 115 C Milltek Toyota Yaris GR & GR Circuit Pack 1.6T (OPF GPF Models Only Milltek downpipe with Hi flow sports catalyst on Milltek line and. Milltek Toyota GR Yaris GPF Downpipe with High flow Sports Catalyst SSXTY133 SPORT EXHAUSTS UK AUTHORISED DEALER Tuning the GR Yaris? Removing factory restrictions in the downpipe is important to extract more power from these pocket rockets! Fits with either Milltek Sport or OE OPF GPF Back Systems includes 200CPSI Catalyst in OE OPF Position Notes: Requires Stage 2 ECU Software calibration 3 (76. 20mm) Pipe Diameter Part Number Description MSTY117 Turbo Downpipe MSTY117 OPF GPF Bypass with 200CPSI Catalyst Why Milltek? Design & manufactured in the UK to ISO 9001 Transform your vehicle's exhaust acoustics Great weight saving benefits & peformance Highest quality 304 type aircraft grade materials Milltek produce high quality sport exhaust systems for a wide variety of vehicles. Utilising the latest manufacturing techniques at their disposal and with over 30 years of continuous research & development, Milltek pride themselves in being one of the UK's top performance exhaust manufacturers. Milltek's expansive range of Cat back and (newer) GPF back exhaust systems, including downpipes and manifolds make them the perfect solution for performance & tuning projects, capable of creating huge power.