On Sale! VRSF VRSF Stainless Steel Race 3.5" Decat - F10, F11, F15, F07 535i F12, F13 640i E70, E71 X5, X6 - PWG upto July 2013 £490.00 £490.00 £465.50 We are proud to introduce our VRSF race downpipe for your BMW 535i & 640i with the N55 engine. This direct bolt-on high flow downpipe is THE best bang for the buck mod available. By eliminating the restrictive catalytic converter in the factory... Add to Cart