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High flow 3" exhaust system with center exit twin double walled tips. The OE exhaust valve function is bypassed, and does not cause any check engine lights. The GR Corolla's 3-cylinder turbocharged engine produces a unique sound especially at start up, idle, and lower RPM range. Aggressive tone from start up to redline.
This cat-back exhaust system is offered with a straight through resonator located on the midpipe which helps reduce the exhaust loudness/volume with minimal restriction. There’s a noticeable difference between resonated and non-resonated, however it isn’t a drastic change. REMARK recommends the resonated version if you prefer a quieter exhaust note and/or plan to do any engine modifications. Each additional performance component may increase the loudness of the exhaust.