Stone Exhaust BMW S63M F90 M5 OEM Integrated Valved Catback Exhaust System
Stone Exhaust BMW S63M F90 M5 OEM Integrated Valved Catback Exhaust System
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Fitting service at Xatrix, West Yorkshire
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We are proud to introduce you to the state of the art Stone Exhaust Valvetronic Cat-Back Exhaust System with dual valves, to enhance the performance and sound of your BMW F90 Sedan M5 with the S63M engine.
Stone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With our in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.
The OEM Integred Valve option allows your exhuast system to operate as standard, where the onboard computer (ECU) will control the opening and closing of the valves automatically.
You may wish to add the Stone Valvetronic System (Singe Valve) which enables you to control the valves remotely via the stone remote controller.
Stone Valvetronic System Installation
Features
- STONE Valvetronic BMW S63M F90 M5 Exhaust System.
- Optional Stone Valvetronic System available
- OPF Exhaust Option Design
- Plug and Play OBDII controller
- One Piece Design
- Machine Welding
- In House Research and Development
- 3D Scanning & Reverse Engineering
- Dyno Developed In House
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Eliminates drone found on the standard exhaust system
BMW S63M F90 M5 / Stone Turbo-Back Exhaust
OPF Delete
R&D and 3D Scanning
Stone Exhaust engineers use reverse engineering by 3D scanning OEM parts to understand their functionality and identify weaknesses. Data has been collected continuously in order to analyze factors such as pipe diameter, route and degrees of the bending angles of the S63M Exhaust System found on the M6.
During R&D, Stone Exhaust utilizes the 3D simulation software to stimulate the exhaust gas flow movement, thermal and pressure rise zone. Progressive improvements were continually made until the optimal performance was achieved.
7 Axis CNC Bending Machine
Stone Exhaust System are constructed utilizing a 7 axis CNC Bending Machine which is the ultimate machine for high levels of precision delivery, necessary for industries such as the aerospace and defense industries.
With the state-of-the-art bending machine, Stone Exhaust has achieved the industry’s standard to an impressive 98% roundness, whilst maintaining the wear of the outer bore at only 25% at 180°. Airflow obstruction and welding fracture problems are prevented by utilizing this technology. With the combination of the CNC Bending machine, Reverse Engineering and 3D Design Scanning, Stone exhaust has created an integrally molded exhaust pipe with an accuracy error under 0.025mm.
Crisscross and Overlapping Welding Technique
The flange between the turbo and the downpipes reaches extreme temperatures (800℃ to 1100℃) which creates stress on the connection point. By utilizing both welding techniques to increases the width and penetration of welds. This increases the endurance and tolerance of these connection points, leading to quality products with reliable performance.
Direct Spot Welding
Our highly skilled engineers perform direct spot welding to increase product strength. This is undertaken by mechanical welding arms, proven to achieve greater precision and penetration in their welds compared to manual welding, resulting in an end product that is a work of art.
Please Note: The approximate installation time is 2 hours.
Power Gain
POWER + 24.2Ps at 6081rpm |
TORQUE + 6.9nm of torque at 2902rpm |
Compatibility - S63M Engine
BMW M Series
- M5/M5 Competition/M5 CS (2016+)
Warranty
Stone Exhaust 2 Year Warranty
Manufactured by
Stone Exhaust
Part Number
AP535 (Non-OPF)
AP535G (OPF)
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