VRSF B58 CATLESS Downpipe Upgrade 2016+ BMW M240i/340i/440i/540i/740i & xDrive

Back pressure is significantly reduced by eliminating the restrictive catalytic converter in the factory downpipe with our race or high flow 200 cell race cat which results in faster spool, an increase in power & a more aggressive exhaust note. Our downpipe features a full 4.5″ stainless steel design as well as a CNC 304 grade stainless steel flange that offers a smooth transition from the turbo to the mid pipes.

DOWNPIPES ARE CATLESS.

VRSF 4.5″ F20/F30/F31/F32/F33/F34/F36/G30/G11/G12 B58 Stainless Steel Downpipe

• Made from hand crafted, tig welded 4.5″ 304 grade stainless steel.
• Available with a 200 cell high flow cat (1 year warranty).
• Fits RHD and LHD models with no modification necessary.
• Smooth radius bends to decrease turbulence and increase flow.
• Fits the stock catback as well as all aftermarket catbacks.
• Gains from 25-30hp with tune.