Stone Exhaust BMW B48 G02 G20 G30 G31 Eddy Catalytic Downpipe (Inc. 330i, 530i, X4 20i & X4 30i / Non OPF Model)
Stone Exhaust BMW B48 G02 G20 G30 G31 Eddy Catalytic Downpipe (Inc. 330i, 530i, X4 20i & X4 30i / Non OPF Model)
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Meet the latest patented technology that adheres to the world's increasingly stringent environmental regulations, at the same time enhances performance to another level on your BMW B48 320i, 330i, 520i, 530i, X4 20i & X4 30i. In comparison to commercially available linear frustums, the "eddy catalytic technology" adopts an arc-packaging method. The turbine emissions process produces a vortex effect which purifies the exhaust gases while maintaining an equal amount of back pressure. When compared to a variety of conventional straight downpipes, the patented eddy catalytic technology can effectively increase horsepower and torque. In the lower rpm you will be immerse with vast amount of torque until you reach higher rpm where the vortex effect really comes to life and opens up the Catalytic, resulting in a performance similar to a 100 CELL Catalytic. However in the lower rpm, the catalytic will produce efficient and clean emission similar to a 400CEL Catalytic and produce no Check Engine Lights, completely error free.
- Patented O2 sensor technology design provides real-time data performance by accurately sensing every rotating displacement.
- No more delayed in power delivery
- Using one of the rare noble metal to help efficiently filter out exhaust gas.
- Computer simulation to obtain the best diameter.
- Special 3D design to achieve 100% OEM fitment, no modification required.
- SUS304 Premium Grade Stainless steel.
- Dual Cross-Welding Technology providing substantial increase durability at the turbo Flange.
- UK MOT friendly and Euro 6 Compliant
Power Gain
- POWER +7.1 PS at 5988rpm
- TORQUE +20.60nm / 15.19ft-lb of torque at 4461rpm
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 B48 Exhaust Systems.
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 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.?
Art of Welding
- B48 Engine
BMW 3 Series
- G20 320i / 330i (2017+)
- G21 320i / 330i / 330i xDrive (2018+)
BMW 5 Series
- G30 520i (2016+)
- G30 530i/530i xDrive (2015+)
- G31 520i (2016+)
- G31 530i/530i xDrive (2016+)
BMW 6 Series
- G32 630i GT (2017+)
BMW 7 Series
- G11 740i (2014-2019)
BMW X Series
- G01 X3 20i xDrive (2017-2018) / X3 30i xDrive (2016-2018)
- G02 X4 20i xDrive (2017-2019) / X4 30i xDrive (2017-2019)
BMW Z Series
- G29 Z4 20i (2019+)/Z4 30i (2017+)
A216E
Manufactured By
Stone Exhausts
Warranty
Stone Exhaust 2 Year Warranty
Emission Notice
BMW G20 B48 330i STONE Exhaust Eddy Catalytic Downpipe
BMW G20 B48 330i Eddy Catalytic Downpipe with OEM Cat-Back Exhaust System
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