Unlock the true potential of your Mercedes-Benz AMG X290 GT43/GT50/GT53, W213 E53, C257 CLS43/CLS53, or W167 GLE53 with the Untd. Performance Catted Downpipe W/Shield. Engineered for the M256 3.0L turbocharged inline-6 engine, this downpipe utilizes a 200-cell high-flow catalytic converter to significantly enhance exhaust flow, reduce backpressure, and increase overall power output. Paired with an integrated heat shield, this downpipe improves turbo efficiency, accelerates turbo spool, and provides a more aggressive exhaust note—all while maintaining emissions compliance.
Transform the performance and sound of your inline-6 Mercedes with the Untd. Performance Catless Downpipe for the M256 3.0L turbocharged engine. Designed for AMG and 6-cylinder luxury models like the GT43, GT50, GT53, GLE53, S450, and S500, this downpipe eliminates factory restrictions to unleash raw power, reduce turbo lag, and bring out a far more aggressive exhaust note. If you’re building a high-output street or track car, this is the upgrade that takes your M256 to the next level.