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aFe POWER 48-36317-HN Twisted Steel Down-Pipe, Race Series

BMW 340i/ix 440i/ix (F3X) 16-17 L6-3.0L (t) B58
Part Number: 48-36317-HN
$576.45

MSRP: $658.80

New Release - Pre order only. Estimated to ship 05/26/2017

Details:

  • +30 HP and +31 lbs. x ft. Torque max gains
  • A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity
  • Constructed of mandrel bent, brushed finish 304 stainless steel tubing
  • Includes heavy duty 3" flex tubes for added strength and durability
  • Machined factory style flanges are used for a secure leak-free seal
  • 100% hand TIG-Welded by certified craftsmen for race proven strength and durability
  • Incorporates a second bung for either a wide-band O₂ gauge or auxiliary instrumentation
  • Read More
Overview

3" Interlock Flex Pipes:
The down-pipes utilizes heavy duty 3" flex tubes with internal interlock liners.

Factory Mounting Locations:
The down-pipe mount directly to factory mounting locations and includes hardware for a hassle-free installation.

Tapered Design:
A unique 4" into 3-1/2" stepped design is used to increase exhaust velocity and increase usable torque. This means more aggressive throttle response and increased passing power.

Factory Style Connections:
Machined, factory style flanges are used for a secure leak-free seal.

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 are constructed of 4" into 3-1/2" mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

O₂ Sensor:
Includes an additional bung for either a wide-band O₂ gauge or auxiliary instrumentation.

Fits:
BMW 340i/ix (F30/F31) 16-17 L6-3.0L (t) B58
BMW 340i GT (F34) 16-17 L6-3.0L (t) B58
BMW 440i/ix (F32/F33) 16-17 L6-3.0L (t) B58
BMW 440i/ix Gran Coupe (F36) 16-17 L6-3.0L (t) B58
BMW 740i/ix/Li/Lix (G11/G12) 2017 L6-3.0L (t) B58
BMW M140i/ix (F20/F21) 2017 L6-3.0L (t) B58 *Not available in US
BMW M240i/ix (F22/F23) 2017 L6-3.0L (t) B58

Note:
This is a "Race Only" product used solely for competition. It's 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.

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