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- Complete system included downpipes, connector pipes and stainless clamps
- 200 Cell High-Flow Cat
- With Heat Shield
- 100% mandrel bent and TIG welded
- Constructed of low carbon 304 Stainless Steel
- Fits within OEM heat shields
- Bolt-on installation
- Improved exhaust note
- Improved exhaust flow
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Maximize the performance of your Mercedes-Benz C63 AMG with the Untd. Performance 3.5″ Catless Downpipe. Engineered for the M177 4.0L Bi-Turbo V8, this catless downpipe is designed to eliminate the restrictive factory catalytic converters, allowing for improved exhaust flow and reduced backpressure. With the larger 3.5″ diameter, this downpipe ensures optimal turbo efficiency, quicker spool times, and a massive increase in horsepower and torque—transforming your W205 C63 AMG into a track-ready performance machine.
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Unlock the full power potential of your Mercedes-Benz C63 AMG with the Untd. Performance 3.5″ Catless Downpipe with Shield. Specifically designed for the w205 M177 4.0L Bi-Turbo V8 engine, this high-performance downpipe eliminates the restrictive factory catalytic converters, allowing for increased exhaust flow, reduced backpressure, and quicker turbo spool. Paired with integrated heat shielding, this downpipe delivers not only improved performance but also enhances the driving experience with a more aggressive exhaust note and optimal engine temperatures.
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Wake up the full power and sound of your twin-turbo V8 with the Untd. Performance Catless Downpipe for the Mercedes-Benz GLC63 AMG. Designed for the M177 4.0L engine, this no-compromise performance upgrade removes the factory catalytic converters, significantly improving exhaust flow, turbo efficiency, and overall engine response—while delivering the raw, aggressive exhaust note that the factory setup hides.
