Unleash the true performance potential of your M276-powered Mercedes SUV with the Untd. Performance Catless Downpipe. Engineered for maximum exhaust flow and rapid turbo response, this race-inspired upgrade removes the restrictive factory catalytic converters—delivering sharper throttle feel, louder and more aggressive exhaust tone, and serious horsepower gains. Whether you drive a GLE 43 AMG or a GLS 450, this is the key to unlocking deeper performance from your 3.0L Bi-Turbo V6.
Transform the performance and sound of your Mercedes-Benz SUV with the Untd. Performance Catted Downpipe, engineered for the M276 3.0L twin-turbo V6 engine found in the ML, GL, GLE, and GLS 320, 400, 450, and 43 AMG models. Designed to strike the perfect balance between emissions compliance and high-flow performance, this downpipe features a high-flow catalytic converter that reduces backpressure and enhances turbo efficiency—delivering more power, sharper throttle response, and a richer exhaust tone without compromising drivability.