Add power, sound and unique style to your BMW X5/X6 M with this cat-back system which produced gains of up to +20 horsepower and +33 lbs. x ft. torque as measured on our in-house dyno. Dual 3″ to 2-1/2″ mandrel-bent, brush finished 304 stainless steel tubing keeps exhaust flowing smoothly for power gains you can feel.  Designed with a transverse, high flow muffler finished in high temp powder coating for long lasting good looks and unique sound. The factory exhaust valve motor is used to regulate the exhaust flow from a closed-valve, sporty tone to wide-open, aggressive, performance sound. True quad, 3 1/2″ black stainless steel exhaust tips with laser etched aFe Power logo for a custom finish.

Performance Gains:
In-house dyno testing produced gains of up to +20 horsepower and +33 lbs. x ft. torque

Brush Finished 304 Stainless Steel Construction:
This exhaust system is constructed of 3″ – dual 2-1/2″ mandrel-bent, brush finished 304 stainless steel tubing for maximum flow, corrosion resistance and quality finish.

True Quad 3 1/2″ Black Stainless Steel Exhaust Tips:
Finishing off this system are quad 3 1/2″ diameter black stainless steel exhaust tips. Laser-etched with aFe Power logo for a custom, stylish finish.

True Quad 3 1/2″ Polished Stainless Steel Exhaust Tips:
Finishing off this system are quad 3 1/2″ diameter polished stainless steel exhaust tips. Laser-etched with aFe Power logo for a custom, stylish finish.

Flow and Performance:
Transverse high flow muffler supports true quad pipe exhaust flow and unique exhaust notes. Finished in a high temperature metallic black powder coating that helps prevent corrosion.

Simple, Hassle Free Installation:
This system has been 100% CAD designed to factory tolerances for a direct bolt-on fitment with no cutting or modifications required. Quality stainless steel hardware and valve extensions included for a hassle-free installation.

TIG-Welded:
100% TIG-welded for race proven strength and durability.

Emissions Disclaimer:
This product does not require a CARB EO#

aFe POWER exhaust systems are engineered and manufactured in our Corona, California

DETAILS:

• In-house dyno testing produced gains of up to +20 horsepower and +33 lbs. x ft. torque
• 3″ – dual 2-1/2″ mandrel bent, brush finished 304 stainless steel tubing outflows and outlasts factory exhaust
• True quad 3 1/2″ diameter black stainless steel exhaust tips with laser-etched aFe Power logo
• 100% CAD designed for a custom, high tolerance factory fitment
• Transverse, high flow muffler and Integrated mitered merge evenly distributes exhaust pulses
• Uses the factory exhaust valve motor and Includes extension leads