BMW 4 Series F36 (2015+)

For over 30 years, Active Autowerke has been the one to turn to for high-quality BMW performance products. Committed to enhancing the performance of BMWs through the highest quality products is what Active Autowerke is all about. 

The B46 downpipes are strategically engineered to virtually eliminate the immensely restrictive characteristics of the factory downpipes – therefore reducing radiant heat and increasing performance.

Features Include

NO CEL when using this downpipe

GESI EPA registered high flow and fully OBD2 compliant

Casted upper stainless steel V-Band for precise fitment

3 inch diameter piping allows for maximum power output

Quicker turbo spool

Rated for 500 to 850 hp applications

Withstands up to 1500° F

Can reach operational efficiency within 9 seconds of startup

Easily bolts-on – no cutting or welding required

Durable construction from TIG welded 304 stainless steel

Ultra high flow 400 cell per square inch catalyst

EPA certified for use on OBD2 vehicles (1996 and newer) except in California

304 stainless steel substrate in catalytic converter is furnace braised to the mantle for outstanding durability

GESi® proprietary precious metal loading technology ensures greatly reduced emissions

Both passengers and drivers are safe from harmful emissions and noise

Precise fitment

Made in Miami, Florida

Covered by 5 Year / 50,000 Mile Warranty (on shell and tube ends)

FITMENT NOTE: For G-Chassis models (G20, G22), the cutoff build date of 08/2020 is important as cars produced after that date have a downpipe with different bracket locations. Cars with a build date of 08/2020 and earlier have the brackets in a V configuration. Cars with a build date of 09/2020 and later have the brackets in a straight line and require Active Autowerke p/n 11-065G

BMW Brembo Type 3 Slotted Rotor Re-Ring Kit - 355x32mm is an essential upgrade for maintaining the peak performance of your Brembo brake system. This re-ring kit, available through Turner Motorsport, includes new rotor rings and rotor hat hardware kits specifically designed for Type 3 slotted 355x32mm Brembo brake kits, ensuring that your braking system remains efficient and responsive.

The BMW Brembo Type 3 Slotted Rotor Re-Ring Kit is engineered to provide optimal braking performance by enhancing heat dissipation and reducing brake fade. The Type 3 slotted design offers superior bite and consistent braking, even under the most demanding conditions, making it perfect for both track enthusiasts and spirited street drivers. By replacing the rotor rings with this high-quality kit, you maintain the integrity of your brake system without the need to purchase an entirely new rotor assembly.

This kit is designed to be a direct fit for Brembo brake kits, making installation straightforward and hassle-free. With Turner Motorsport’s commitment to quality, you can trust that this re-ring kit will provide reliable performance and longevity.

• Optimal braking performance: Enhances heat dissipation and reduces brake fade for consistent stopping power.
• High-quality replacement: Includes new rotor rings and rotor hat hardware for Brembo Type 3 slotted 355x32mm brake kits.
• Direct fit: Designed for easy installation with no modifications required.
• Cost-effective maintenance: Replaces worn rotor rings, preserving your brake system’s efficiency without needing a full rotor replacement.
• Track-ready performance: Superior bite and consistent braking under demanding conditions.