GL400 GL450

REDSTAR EXHAUST M278 Performance Downpipes are the ultimate upgrade for Mercedes-Benz SUVs equipped with the 4.7L biturbo V8 engine. Designed to significantly improve exhaust flow, these downpipes unlock noticeable power gains, sharper throttle response, and the iconic V8 AMG exhaust tone with aggressive burbles and crackles. Precision-engineered for a...

Upgrade your Mercedes-Benz SUV with REDSTAR EXHAUST M276 Downpipes, engineered for the 3.0L V6 biturbo engine found in models including GLE43, GLE400, GLE450, GLE320, GL450, GLS450, and ML450. Designed to reduce exhaust restriction, these downpipes improve flow for increased power, sharper throttle response, and a deeper, more aggressive exhaust note with...