SLE Mercedes-Benz G63 & G65 AMG W463 (4.0T / 5.5L / 6.0L) 2012–2018 Catless Downpipes
The SLE Catless Downpipes are engineered to unleash the full performance potential of the Mercedes-AMG G-Class W463 models, including the G63 AMG (M157/M177) and G65 AMG (M279) engines. By removing the restrictive factory catalytic converters, these downpipes increase exhaust flow, reduce backpressure, and improve turbo response while delivering a deep, aggressive exhaust tone.
Constructed from T304 stainless steel, and TIG-welded with back-purged seams, these downpipes are built to handle high boost and extreme temperatures — ideal for performance builds and tuned applications.
Product Features
- Catless high-flow design for maximum exhaust velocity
- Compatible with 4.0L Bi-Turbo V8, 5.5L Bi-Turbo V8 (M157), and 6.0L Bi-Turbo V12 (M279) engines
- T304 stainless steel for strength and corrosion resistance
- TIG-welded and back-purged for durability under high stress
- Improved throttle response and turbo spool
- Loud, deep exhaust tone with enhanced AMG character
- Direct bolt-on fitment, no cutting or modifications required
Vehicle Compatibility
- Mercedes-Benz G63 AMG W463 (5.5L Bi-Turbo V8, M157 – 2012–2018)
- Mercedes-Benz G63 AMG W463 (4.0L Bi-Turbo V8, M177 – late 2018 models)
- Mercedes-Benz G65 AMG W463 (6.0L Bi-Turbo V12, M279 – 2012–2018)
Disclaimer: This product is intended for OFF-ROAD OR RACING USE ONLY. It is not legal for use on public roads in vehicles subject to emissions regulations. A stage 2 ECU tune is required to prevent a check engine light (CEL).











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