aFe Twisted Steel Long Tube Header 304 Stainless Steel w/ Cat - BMW / S54 / E46 M3 / Z3 MCoupe / M Roadster / Z4 MCoupe / M Roadster | 48-36314-HC

• 1-5/8” primary tubing into 2-1/2” tubing
• Mandrel-bent for unrestricted flow
• 3/8 IN thick, 304 stainless steel laser cut head flanges
• Includes EPA compliant catalytic converters
• 3-to-1 mitered merge collectors decrease turbulence and increases exhaust velocity
• Optimized tube lengths improve flow and performance
• Retains factory sensors
• 100% hand TIG-welded construction ensures optimal strength and durability

Optimized Tube Lengths:
Tube lengths are optimized for true pulse control technology which improves flow and performance.

Catalytic Converters:
Includes EPA compliant catalytic converters.

Retain Factory Sensors:
This system was designed to retain all your factory sensors for a hassle-free installation.

Laser Cut Header Flanges:
High quality laser cut 304 stainless steel header flanges provides superior sealing at the head surface.

304 Stainless Steel Tubing:
High grade stainless tubing with a uniform brushed finish provides a beautiful look and high resistance to corrosion.

Mitered Merge Collectors:
3-to-1 mitered merge collectors decrease turbulence and increases exhaust velocity. The result is increased horsepower, torque and improved throttle response.

TIG-Welded:
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.

Emissions Disclaimer:
This product is EPA compliant, not for sale or use on vehicles certified for the state of California. Consult your state or local authority for any additional clarification. Replacement of catalytic converters (if equipped) is allowed only under the following conditions: 1) if the vehicle is missing a converter; 2) if a state or local inspection program has determined the existing converter has been lead-poisoned or damaged or otherwise needs replacement; or 3) if the vehicle is more than five (5) years old or has more than 50,000 miles and a legitimate need for replacement has been established and documented. This product only fits those vehicles as listed in the application table.

aFe headers and exhaust are engineered and manufactured in our Corona, California manufacturing facility.

 

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov