Product Overview
The AZ Motorsport downpipes are built for enthusiasts who want real gains from their S55-powered BMW M3, M4, and M2 (F8X platform) without compromising fitment or reliability. By replacing the restrictive factory sections with a free-flowing 304 stainless design, they reduce backpressure, improve exhaust flow and turbo response, and unlock power when paired with proper tuning.
Clean welds, precise fitment, and proven performance are why BMW M owners choose AZ Motorsport – your go-to brand for performance exhaust and downpipes.
Important Notice:
OFF-ROAD / RACE USE ONLY
This product is designed exclusively for closed-course competition and off-road racing vehicles. It is not legal for use on public roads or on vehicles required to comply with emissions regulations in Canada or the United States. Installing this product on any pollution-controlled, registered, or street-driven vehicle may violate federal, state/provincial, and local laws.
By purchasing this product, you acknowledge and agree that:
This product does not meet applicable emissions standards and is not C.A.R.B. compliant.
AZ Motorsport makes no representations or warranties that this product is legal for any use other than closed-course competition.
You are solely responsible for understanding and complying with all laws and regulations that may apply to the purchase, installation, and use of this product.