Racing Dynamics Catted Downpipe With HS BMW M135i | M235i | 335i | 435i | M2 F87 2015-2021

130 10 55 560

Eliminates the largest restriction in your exhaust with a 200 cell sport cat. Large input flange with 4" mandrel bent downpipe manufactured out of 304 stainless steel, TIG welded with brushed finish. For left & right hand drive models!

Features:

• Large 4 1/2" inlet flange, 4" tubing and straight-through design allows for maximum power and sound.
• Heat Shield to funnel the heat out the exhaust and lower temperature in engine compartment. Heat shield is used to protect surrounding parts,wires,and hoses against radiant heat from the downpipes,Integrated thermnal insulation reduces surface temperature up to 70%
• Straight-through tubing section replaces the heavy and restrictive OEM catalytic converters for maximum power and sound
• Improves horsepower and torque significantly. Approximately 20 HP with a tune.
• Downpipe includes a 200 cell sport cataylitic converter for a cleaner enviroment
• Direct bolt-on replacement for OEM primary catalytic converters
• Less thermal load on the turbocharger
• Reduces turbo lag

Fitment:

• BMW M135i N55B30T0 F20 2016-2018
• BMW M235i N55B30T0 F22 2016-2018
• BMW 335i N55B30T0 F30/F31/F34 2016-2018
• BMW 435i N55B30T0 F32 2016-2018
• BMW M2 N55B30T0 F87 2016-2021