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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7
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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
4.4 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Puppy proof!
Size: Large Size 3, Color: White-Blue
Purchased the blue ball. Puppy loves to carry and shake the ball with the strapes in her mouth. Lots of bite marks but hasnt popped it. We bought 2. She plays in her fenced in yard with them. Fun to throw and kick around.
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Reviewed in the United States on January 6, 2026
★★★★★ 5
Great Toy For Playful Pup
Size: Medium Size 2, Color: White-Blue
We have purchased three of these! Our dog is obsessed with them and they keep her very entertained. The strap is a great tool for her to easily pick up the ball.
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Reviewed in the United States on April 26, 2026
★★★★★ 5
perfect for medium size dogs !
Size: Medium Size 2, Color: Green-Blue
i have a soccer ball loving french bulldog.. and he LOVES this toy! easy for the squishy faced breeds to pick up and run with! very durable!
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Reviewed in the United States on May 2, 2026
★★★★★ 1
easily punctured by dog teeth & not durable
Size: Large Size 3, Color: World Cup
I have a medium size dog 25lbs. The tabs all came off within 4 days & deflated/punctured in the same amount of time
this ball is not as sturdy as they say.
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Reviewed in the United States on May 26, 2026
★★★★★ 4
Quality product but sold on Amazon cheaper with different seller.
Size: Medium Size 2, Color: White-Blue
The size is the reason for the missing star. Made of good quality but found cheaper from another buyer. My 9month Cane Corso hasn't destroyed it yet and enjoys playing keep away with the other dogs.
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Reviewed in the United States on November 2, 2025