Attention BMW M3 and M4 Enthusiasts: If you live for the thrill of acceleration, the symphony of turbocharged power, and the satisfaction of building the ultimate driving machine, you know factory downpipes just don’t cut it. You crave more horsepower, sharper throttle response, and the freedom to modify without compromise. Stop letting restrictive components hold your S55 engine back—your quest for peak performance ends here.
Introducing the AME Motorsport Catless Downpipes—the ultimate solution engineered for serious tuners and passionate drivers. Designed and crafted in Australia, these precision TIG-welded, high-flow downpipes unlock true potential from your 2015–2020 BMW M3 (F80) or M4 (F82/F83). Whether you’re chasing record lap times, dominating mountain roads, or simply want a more exhilarating daily drive, this is the upgrade that sets you apart from the crowd.
AME Motorsport stands apart with Australian in-house design, ensuring meticulous attention to detail and uncompromising quality. Our downpipes feature precision CNC-machined flanges and expert TIG welding, resulting in a perfect fit and unmatched reliability—even under the most demanding conditions. Trusted by performance shops and enthusiasts alike, our stainless steel construction resists rust, heat, and vibration, guaranteeing long-lasting results and consistent performance gains. When you demand the best for your BMW, AME Motorsport delivers.
Stop settling for stock. Unleash the full potential of your BMW M3 or M4 with AME Motorsport Catless Downpipes. Experience real power, unmatched quality, and the thrill of driving redefined—order your set today and join the elite ranks of performance enthusiasts!
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.