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Premium Stainless Steel M178 Catless Downpipes for Mercedes-AMG GT / GTS / GTR / GTC
Premium Stainless Steel M178 Catless Downpipes for Mercedes-AMG GT / GTS / GTR / GTC
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Off-road and race use only. Not legal for street use or emissions-controlled vehicles. Buyer is responsible for compliance with local laws.
Precision engineered for owners who demand refined performance and uncompromising quality.
For the discerning AMG GT owner who values sophistication and real performance. These high-flow stainless steel downpipes are purpose-built for the M178 BiTurbo V8 to deliver improved exhaust flow, quicker turbo response, and a deeper, more composed AMG exhaust note — while preserving the refined character expected of a flagship Mercedes performance car.
🎧 Real Exhaust Sound
Performance Benefits
- Quicker Turbo Response — reduced backpressure for faster spool
- Sharper Throttle Feel — more immediate power delivery
- Refined AMG Sound — deeper tone with composure at cruise
- Platform-Specific Design — perfect fit for the M178 hot-V layout
Construction & Engineering
- Material: Premium 304 stainless steel
- Welds: Back-purged TIG for maximum strength
- Flanges: CNC-machined for perfect sealing
- Tubing: Mandrel-bent 3" for unrestricted flow
Compatible Models
- Mercedes-AMG GT (2015+)
- Mercedes-AMG GTS (2015+)
- Mercedes-AMG GTR (2016+)
- Mercedes-AMG GTC (2018+)
“Excellent fitment and build quality. Aggressive under load, composed at cruising speeds — exactly what I wanted.”
— AMG GT Owner
Frequently Asked Questions
Will this trigger a check engine light?
Yes without ECU calibration. Tuning is recommended for optimal performance and fault code management.
Is tuning required?
Highly recommended to fully realize the performance gains and maintain drivability.
Is this street legal?
No. These are intended for off-road and track use only.
Ships from USA • Secure checkout • Fitment guaranteed
