Racing Dynamics Catted Downpipe | F2x/F3x/F8x

Racing Dynamics Catted Downpipe | F2x/F3x/F8xCatted downpipe with heat shield for BMW M135i M235i 335i 435i M2 F87 model with the 3. 0 liter turbocharged N55B30T0 straight 6 motor from 2015 2018. 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

• 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