aFe Power Twisted Steel Down Pipe 3 IN 304 Stainless Steel BMW 135i (E82/88) 08-10 / 335i (E90/92/93) 07-10 L6-3.0L (t) N54
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aFe POWER Twisted Steel down pipe w/ Cat for the BMW 135i (E82/88) or 335i (E90/92/93) models with L6-3.0L (t) N55 engine. This down pipe is designed using a 400 cpsi catalytic converter and mandrel-bent, 304 stainless steel tubing for optimum flow resulting in added horse power and torque. The down pipe is 100% hand TIG-Welded and uses a 2-1/2 IN into 3” stepped design that increases exhaust velocity and eliminates low pressure drops which helps to scavenge the exhaust for increased intake charge and more power.
Catalytic Converter:
This system utilizes a 400 CPSI (cell per square inch) catalytic converter for maximum flow.
2-1/2 IN to 3 IN Stepped Design:
A unique 2-1/2 IN to 3 IN stepped design, is used to increase exhaust velocity and increase usable torque. This means more aggressive throttle response and increased passing power.
TIG-Welded:
100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.
Brushed 304 SS Construction:
This down pipe is constructed of durable mandrel bent brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.
Hassle-Free Installation:
All hardware and brackets are included for a hassle-free installation. This unit also comes with a 2-year warranty.
Race Disclaimer:
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. 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. To complete the purchase of this item, aFe POWER competition acknowledgement/liability release form must be filled out and submitted.
All aFe exhaust systems are engineered and manufactured in our Corona, California facility.
Features:
- Dyno-Proven gains up to +17 HP / +32 lbs. x ft. TQ
- Contructed out of 304 stainless steel tubing for maximum performance and corrosion resistance
- 100% hand TIG-Welded by certified craftsmen for strength and durability
- Factory O2 Sensor Locations
- Hassle-Free installation
Vehicle Applications:
| Year | Make | Model | SubModel | Engine | Fuel |
| 2008-2010 | BMW | 135i | (E82/E88) N54 Engine | L6 3.0L (tt) | Gas |
| 2007-2010 | BMW | 335i | (E90/E92/E93) N54 Engine | L6 3.0L (tt) | Gas |
| 2011-2013 | BMW | 335is | (E92/E93) N54 Engine | L6 3.0L (tt) | Gas |
