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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
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Description
Active Autowerke Downpipes W/ GESI Cat - BMW / S58 / F97 / F98 / X3M / X4M (11-070)The Active Autowerke Downpipes with GESI Catalytic Converters are engineered specifically for the BMW S58 engine found in F97 F98 X3M and X4M models. Designed to reduce flow restriction inherent in OEM downpipes, these 3" stainless steel pipes improve turbo spool and durability while maintaining emissions compliance outside California. 3" diameter stainless steel piping with stainless flex joints for durability Down to 70mm OEM exhaust system
The Active Autowerke Downpipes with GESI Catalytic Converters are engineered specifically for the BMW S58 engine found in F97/F98 X3M and X4M models. Designed to reduce flow restriction inherent in OEM downpipes, these 3" stainless steel pipes improve turbo spool and durability while maintaining emissions compliance outside California.
- 3" diameter stainless steel piping with stainless flex joints for durability
- Down to 70mm OEM exhaust system connection; no diameter reduction below stock size
- Includes a pair of 4.5" high flow GESI catalytic converters producing no check engine light (CEL)
- GESI UHO catalytic converters feature full 304 stainless steel construction and proprietary precious metal loading technology
- EPA registered, OBD2 compliant for 1996 and newer vehicles (not CARB legal in California)
- Catalytic converters rated for 500-850 horsepower applications, withstand up to 15008F, operational efficiency within 9 seconds of startup
- Cast stainless steel V-band flanges ensure precise fitment and easy bolt-on installation (2013+ models, no cutting or welding required)
- Constructed from TIG welded 304 stainless steel for long-lasting strength
- Covered by 5-year/50,000 mile warranty on shell and tube ends; 2-year/25,000 mile warranty on catalyst core
- Manufactured in Miami, Florida with quality control standards
Note: These catalytic converters are not legal for use in California due to state regulations (CVC Sections 27156 and 38391). Federal law permits aftermarket emissions parts if emissions standards are not adversely affected. The GESI cat meets or exceeds EPA standards but is not CARB-approved.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy