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This awesome Mach Force XP Cat-back exhaust system produces 11.5 horsepower and 9.5 lbs. x ft. of torque. The Mach Force XP exhaust system is constructed of mandrel bent, polished 304 stainless steel tubing and uses all factory mounting locations for an easy 1hr install time with no cutting or drilling required. This system uses a unique 3" resonance chamber to cancel high-frequency sound waves producing an aggressive tone on throttle with a smooth sound at cruising speeds. The elimination of the muffler produces a weight savings of 15lbs. This system comes with an aggressive black 304 stainless steel dual tip to finish off your 135i right.
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
This system fits the following BMWs:
2008 - 2013 E82 1 Series Coupe 135i
This awesome Mach Force XP Down Pipe produces 14 horsepower and 39 lbs. x ft. of torque at 1900 RPM. The Mach Force XP down pipe is constructed of mandrel bent, brushed 304 stainless steel tubing and flanges and uses all factory mounting locations. Using a unique resonance chamber to capture sound waves and minimize exhaust "drone", this system produces an aggressive tone on throttle but a smooth sound at cruising speeds without affecting performance. This down pipe is 100% TIG-Welded. Note: this product will activate the check engine light.
This part alters or deletes the emissions equipment on your car, and may not meet emissions standards in all states. Because of this, we require a waiver of emissions compliance to be signed and sent in to TMS. You can download the waiver here.
Left Hand Drive ONLY
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Exhaust Valve:
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.
Simple Installation:
This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation.
Dual 4" Polished Tips
Finishing off this system are dual 4" diameter, polished, 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.
DETAILS:
Emissions Disclaimer:
This product does not require a CARB EO# (CARB Aftermarket Parts Verification Guidelines).
All aFe exhaust systems are engineered and manufactured in our Corona, California facility.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
Aggressive Sound:
A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo.
Exhaust Valve:
This down-pipe 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.
Simple Installation:
This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation.
Quad 4" Gloss Black Tips
Finishing off this system are quad 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.
DETAILS:
Aggressive Sound:
A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated black finish and a stamped aFe power logo.
Exhaust Valve:
This down-pipe 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.
Simple Installation:
This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation.
Quad 4" Polished Tips
Finishing off this system are quad 4" diameter, polished, 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.
DETAILS:
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
High flow exhaust system directly from aFe, one of the top after market performance manufacturers. This new MACH Force XP Axle-back exhaust system is for the 2016+ BMW 340i F30 and F36 440i Gran Coupe with the new N58 3.0L turbo engine. This exhaust system is constructed from 3.0” mandrel bent stainless steel and is hand TIG-welded. The system uses a high flow transverse muffler with 3" diameter tubing which improves performance across the power band while maintaining a great tone. To finish off this exhaust are dual double wall resonated angle cut gloss black 304 stainless steel tips. The factory actuator drive is retained with the aFe exhaust so that a check engine light does not occur. This exhaust uses all factory hanger locations for a hassle free installation. No modifications necessary.
Simple Installation:
All systems use factory mounting locations providing stability and hassle-free installation.
Leak-Free Seal:
High quality band clamps are used for a complete 360 degree sealing surface.
Aggressive Sound:
A free-flowing muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque.
Product Features:
Fits the Following BMW's:
2016+ F30 BMW 340i B58
2017 F36 BMW 440i B58
This product was last offered at the strikethrough price on
01-27-2026
High flow exhaust system directly from aFe, one of the top after market performance manufacturers. This new MACH Force XP Axle-back exhaust system is for the 2016+ BMW 340i F30 and F36 440i Gran Coupe with the new N58 3.0L turbo engine. This exhaust system is constructed from 3.0” mandrel bent stainless steel and is hand TIG-welded. The system uses a high flow transverse muffler with 3" diameter tubing which improves performance across the power band while maintaining a great tone. To finish off this exhaust are dual double wall resonated angle cut gloss black 304 stainless steel tips. The factory actuator drive is retained with the aFe exhaust so that a check engine light does not occur. This exhaust uses all factory hanger locations for a hassle free installation. No modifications necessary.
Simple Installation:
All systems use factory mounting locations providing stability and hassle-free installation.
Leak-Free Seal:
High quality band clamps are used for a complete 360 degree sealing surface.
Aggressive Sound:
A free-flowing muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque.
Product Features:
Fits the Following BMW's:
2016+ F30 BMW 340i B58
2017 F36 BMW 440i B58
aFe is proud to introduce the aFe Twisted Steel® non-catalytic down-pipe for the 2012-2013 BMW F30 335i with the L6-3.0L (N55) engine. In testing this system resulted in a max gain of 13 horsepower and 27 lbs. x ft. of torque and outflowed the restricted OE catalytic converter by up to 190%. This high performance race pipe delivers pure, race-inspired raw power and also produces an aggressive and exciting exhaust sound during hard throttle. aFe also used a massive, light-weight 4" diameter 304 stainless steel tube and progressively tapers to increase exhaust velocity and usable torque.
Tig-Welded:
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.
Tapered Design:
A unique 4" Dia. 304 stainless steel taper design is used to increase exhaust velocity and increase usable torque. This means more aggressive throttle response and increased passing power.
Factory O2 Sensor Locations:
Factory mounting locations for all O2 sensors.
Hassle-Free Installation:
OE style brackets are included for a hassle-free installation. This unit also comes with a lifetime warranty.
aFe down pipes are engineered and manufactured in our Corona, California manufacturing facility.
Note: This is a "Race Only" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws. A check engine light will emit and aFe recommends using a programmer but it is not necessary.
This part alters or deletes the emissions equipment on your car, and may not meet emissions standards in all states. Because of this, we require a waiver of emissions compliance to be signed and sent in to TMS. You can download the waiver here.