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aFe POWER MACH Force Axle-Back Exhaust System: 2016-2017 BMW N55 engine - 340i/ix (F30 chassis) and 440i/ix Gran Coupe (F36) - L6-3.0L turbo

2016-2017 BMW 340i/ix (F30) L6-3.0L (Turbo) B58
2017 BMW 440i/ix Gran Coupe (F36) L6-3.0L (Turbo) B58v

N55 engine

Short description:


+14 HP

+13 lbs-ft. Torque max gains


This Axle-Back exhaust system incorporates a factory style exhaust valve, which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance.


  • +14 HP and +13 lbs. x ft. Torque max gains
  • Constructed from 100% hand TIG-welded, 3" to 2-1/2" mandrel bent, brushed finished 304 stainless steel tubing
  • Includes a factory style exhaust valve
  • Utilizes a unique high flow, transverse muffler with a high-temp powder-coated black finish
  • Includes Dual 4" diameter gloss black 304 stainless steel tips
  • Uses all factory hanger locations for a hassle-free installation

Simple Installation
This MACH Force-Xp axle-back exhaust system uses factory-mounting locations providing stability and a hassle-free installation.

Dual 4" Gloss Black Tips 
Finishing off this system are Dual 4" diameter, gloss black, 304 stainless steel tips. The tips come with a laser-etched aFe power logo for an aggressive style.
Leak-Free Seal
High quality band clamps are used for a complete 360-degree sealing surface.

Brushed 304 SS Construction
The performance axle-back exhaust system is constructed of 3" to 2-1/2" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Chassis Code :
  • F30/31/34 3 Series 2012-2020
  • 3 & 4 Series
  • Exhaust
AFE Power