aFe POWER 48-36312-1 Twisted Steel Down-Pipe; Street Series BMW M3/M4 (F80/F82/F83) 15-19 L6-3.0L (tt) S55

aFe POWER 48-36312-1 Twisted Steel Down-Pipe; Street Series BMW M3/M4 (F80/F82/F83) 15-19 L6-3.0L (tt) S55

$2,037.50 $1,548.50 Sale

This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles.

Purchasing this product requires you to sign our Vehicle Compliance Waiver here.

aFe Power's introduces the Twisted Steel down-pipes with cats for the 2015-2018 BMW M3/M4 (F80/F82/F83) with the L6-3.0L (tt) S55 engine. The down-pipes are 100% TIG-welded and constructed of mandrel-bent, 3", 304 stainless steel tubing with thick flanges to ensure a leak-free seal. In testing, this system resulted gains up to +21 horsepower and +23 lbs. x ft. of torque. These down-pipes use 200 CPSI catalytic converters and includes all components for a hassle-free installation.

Dual High Flow Catalytic Converters: Dual 200 CPSI catalytic converters are used for maximum flow.

TIG-Welded: 100% TIG-Welded by certified craftsmen for race proven strength and durability. TIG-Welding provides the strongest welds reducing stress cracks.

Factory O2 Sensor Locations: Factory mounting locations for all O2 sensors.

All necessary hardware is included for a hassle-free installation.

aFe down pipes are engineered and manufactured in their Corona, California manufacturing facility.

Note 1: This system is not currently CARB exempt and is not available for sale in California or for use on any vehicle registered with the California Department of Motor Vehicle.

Note 2: Vehicle may require tuning or programmer to eliminate a check engine light.

Features:
  • Includes 200 CPSI catalytic converters
  • Constructed of 3" mandrel-bent, 304 stainless steel tubing
  • Retains Factory O2 Sensor Locations
  • 100% TIG-Welded
  • Thick flanges to ensure a leak-free seal
  • Includes high quality, O.E. style, V-band turbo flanges Testing:
  • In testing this system resulted in gains up to +21 horsepower and +23 lbs. x ft. of torque (Tested on a 2015 BMW M4 (F82) L6-3.0L (tt) S55)
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