Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 13 - Jul 18
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For Your Every Summer RSVP, with Code: SUMMER15
Description
AMS Alpha 3" Stainless Steel Downpipes w/ Catalytic Converter | BMW M5 F10 4.4L Bi-TurboThe AMS Alpha M5 Downpipes are the ultimate solution for improving power, throttle response and exhaust note without sacrificing quality, fitment or design. Each Alpha M5 Downpipe features a smooth transition from their massive 3. 5" inlet down to the 3" tubing for optimum flow. While competitors choose a very short transition length which creates turbulence and hurts exhaust flow and power, the AMS Engineering team implemented a longer length to give
The AMS Alpha M5 Downpipes are the ultimate solution for improving power, throttle response and exhaust note without sacrificing quality, fitment or design. Each Alpha M5 Downpipe features a smooth transition from their massive 3.5" inlet down to the 3" tubing for optimum flow. While competitors choose a very short transition length which creates turbulence and hurts exhaust flow and power, the AMS Engineering team implemented a longer length to give your M5 maximum output.These downpipes are properly designed and engineered using a CMM Laser Scanner for a perfect fit and space optimization. AMS took the time to integrate the factory O2 sensors, heat shielding and brackets for a clean and proper OEM-like installation. Another unique benefit is the racing catalytic converter. These 300 cell count units provide nearly no disruption in flow and feature a staked in design to hold the catalyst firmly in place.
Features:
- .065" thick, 100% 304 stainless steel tubing
- Big increases in power throughout the powerband
- Improved turbo & throttle response
- Premium 300 cell race catalytic converters
- Exotic exhaust note
- Massive 3.5" primary inlets
- Precise and proper fitment using factory heat shielding
- Includes ALL necessary parts and hardware for installation
- BMW M5 (F10) 4.4L Bi-Turbo 12-16
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
4.5 ★★★★★
Based on 576 reviews
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Product Reviews
★★★★★ 5
Great sneakers
Size: 10.5, Color: British Tan/Dark Chocolate/Natural
Very comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
★★★★★ 5
Muy buenos calzados
Size: 9.5, Color: Optic White/Natural Vachetta, Size: 9.5, Color: Optic White/Natural Vachetta
Aún no los eh probado pero tienen muy buena pinta y en las primeras impresiones se sienten muy bien en los pies además que me encantan que sean de un modelo que no necesitan estar teniendo que atar los cordones
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Reviewed in the United States on April 12, 2026
★★★★★ 5
Good look and comfortable.
Size: 12, Color: Black/British Tan/Ivory
Look great and comfortable. Worth the price tag.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
★★★★★ 1
Poor quality control… Received a used pair
Size: 12, Color: Birch Beige/Farro/Ivory, Size: 12, Color: Birch Beige/Farro/Ivory
The shoes that were delivered showed signs of wear. Not sure if this was a used pair or a display pair but this should have been caught from the beginning. I would normally return them, but will be out of the country for the next month and don’t have the time. Unacceptable quality control from the official cole haan store front.
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Reviewed in the United States on June 4, 2026
★★★★★ 5
Great shoe
Size: 10, Color: Optic White/Natural Vachetta
Great looking and super comfortable
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
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