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N55 MACH Force-Xp Cat-Back Exhaust System


Designer: aFe Power

$1,453.50 $1,914.00

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aFe POWER 49-36328-B MACH Force-Xp 3" to 2-1/2" 304 Stainless Steel Cat-Back Exhaust System

BMW 335i (E90/92) 11-13 L6-3.0L (t) N55
Part Number: 49-36328-B


  • Constructed from 100% TIG-welded, 3" into 2-1/2" mandrel bent 304 stainless steel tubing 
  • Incorporates a 3” into 2-1/2” dual exit mitered split 
  • Utilizes dual high flow transverse mufflers for an aggressive sound 
  • Includes dual 3-1/2" diameter, polished, stainless steel tips with laser-etched aFe power logos
  • Uses all factory hanger locations for a hassle free installation

•In testing, the cat back exhaust produced a max gain of +11 horsepower and +17 ft. lbs. of torque verified by our in house dyno* (tested on 2011 BMW 335i N55)

aFe power introduces the MACH Force-XP cat-back exhaust system for the 2011-2013 BMW 335i (E90/92) with the L6-3.0L (t) N55. This system is constructed from 100% TIG-welded, mandrel bent, 304 stainless steel 3" into dual 2-1/2" tubing and incorporates a mitered merge for optimum flow. The smooth transition bends allow for low turbulence, increasing horsepower, torque and improved throttle response. In testing, the cat-back exhaust system produced a max gain of +11 horsepower and +17 ft. lbs. of torque verified by our in house dyno* (tested on 2011 BMW 335i N55). Included in this exhaust system are dual high flow transverse mufflers for increased flow and performance across the power band while maintaining a great tone. To finish off this system are dual aFe laser etched, 3-1/2" polished 304 stainless steel tips for an aggressive style.

Aggressive Sound:
This system includes dual free-flowing transverse mufflers to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque.

Mitered split:
This system utilizes a mitered split to eliminate dead space that can cause turbulence and hinder flow.

304 Stainless Steel Construction:
This system is constructed of durable mandrel bent 304 stainless steel tubing for maximum performance, corrosion resistance and strength, eliminating cracking.

Simple Installation:
This MACH Force-Xp cat-back exhaust system uses factory mounting locations providing stability and a hassle-free installation.
Leak-Free Seal:
High quality OE style flanges and band clamps are used for a complete 360 degree sealing surface.

Dual 304 SS Tips:
This system includes dual, polished, 3-1/2" diameter, 304 stainless steel tips w/laser-etched aFe power logos for an aggressive style.

This System Fits:
BMW 335i (E90) 11-12 L6-3.0L (t) N55 
BMW 335i (E92) 11-13 L6-3.0L (t) N55

*Dyno tested with the aFe power "Street" down pipe (48-36302-HC)

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


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