Mercedes G63 AMG (W463A) – Valved Exhaust System

T304 Stainless Steel • Full Valve Control

Overview
The modern G-Wagon is a symbol of power, presence, and luxury—but its factory exhaust leaves much of the AMG character muted. The Valvetronic Designs Valved Exhaust System transforms the G63 into a snarling beast while retaining the refined manners you need for long drives. Inspired by the AMG GT-R’s visceral tone, this system was developed from the ground up to deliver an uncompromising blend of aggression, refinement, and daily usability.

With full valve control, you dictate the soundtrack of your G63—whether it’s a subdued purr for comfort or a raw, race-inspired roar that commands attention.

Sound & Control

• Valves Open: Unleashes a deep, aggressive tone reminiscent of AMG’s GT-R, filling the cabin with character while remaining drone-free.

• Valves Closed: Civilized and refined—perfect for commutes, road trips, or low-profile situations.

• Balanced Tuning: Developed for maximum excitement with zero compromise to comfort or usability.

Performance Engineering

• Optimized Flow: Fully mandrel-bent piping ensures smooth, unrestricted airflow for sharper throttle response.

• Acoustic Design: Tuned for a naturally aspirated-style character while maintaining the muscular presence of the 4.0L bi-turbo V8.

• Strength & Durability: Precision TIG-welded for long-term reliability under high-performance use.

Construction & Craftsmanship

• Material: T304 stainless steel throughout.

• Finish: Includes both anodized gold T304 and black T304 slash-cut tips for a fully customizable aesthetic.

• Valve Integration: Uses OEM-style electronic valves for seamless operation.

• Reversible: 100% bolt-on design, easily returned to stock at any time.

Fitment

• 2019+ Mercedes G63 (W463A)

• 2022+ Mercedes G63 Squared (W463A)
  Will not fit G65 models.

Features

• T304 stainless steel construction

• Dual tip finish included: Anodized Gold & Black T304 slash-cut tips

• Electronic exhaust valves with OEM integration

• Precision TIG welds for strength and durability

• Fully mandrel-bent piping for optimal flow

• 100% reversible—return to stock anytime

**Free Flow Bypass Pipes are designed for use on vehicles that will not be driven on public roadways or highways. Designed for off-road / track use only.