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Valvetronic Valved Sport Catback Exhaust System - Mercedes Benz G63 AMG (463A / 464) 2019-2025
Lease for as low as $/week
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
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Valves Open: Unleashes a deep, aggressive tone reminiscent of AMG’s GT-R, filling the cabin with character while remaining drone-free.
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Valves Closed: Civilized and refined—perfect for commutes, road trips, or low-profile situations.
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Balanced Tuning: Developed for maximum excitement with zero compromise to comfort or usability.
Performance Engineering
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Optimized Flow: Fully mandrel-bent piping ensures smooth, unrestricted airflow for sharper throttle response.
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Acoustic Design: Tuned for a naturally aspirated-style character while maintaining the muscular presence of the 4.0L bi-turbo V8.
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Strength & Durability: Precision TIG-welded for long-term reliability under high-performance use.
Construction & Craftsmanship
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Material: T304 stainless steel throughout.
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Finish: Includes both anodized gold T304 and black T304 slash-cut tips for a fully customizable aesthetic.
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Valve Integration: Uses OEM-style electronic valves for seamless operation.
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Reversible: 100% bolt-on design, easily returned to stock at any time.
Fitment
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2019+ Mercedes G63 (W463A)
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2022+ Mercedes G63 Squared (W463A)
Will not fit G65 models.
Features
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T304 stainless steel construction
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Dual tip finish included: Anodized Gold & Black T304 slash-cut tips
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Electronic exhaust valves with OEM integration
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Precision TIG welds for strength and durability
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Fully mandrel-bent piping for optimal flow
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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.
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.