HJS ECE Approved Sports Cat Downpipe - Exhaust - GR YarisHJS Tuning Sports Cat Downpipe ECE R103 Approved 300CPSI High Flow Catalyst Plug and play installation, all sensors fit and function as they should causing no engine check lights roughly 3 hours to fit. Stainless Steel HJS Integral heat shielding Lower EGTs and remove excess backpressure on the turbo releasing extra horsepower! Often making 10 15bhp over the OEM downpipe on a completely standard car, the car feels more eager to rev and less strangled.