Originally Posted by ksfrogman
Apparently, the Milltek system gives you the option of substituting the secondary cats with replacement pipes. Here's a comparison of the 90mm and 100mm tailpipes from their website.
finally bigger pics. The 90mm look perfect.
2010 AW e90 328i: 6 speed, Black Leather, Dark Wood trim, ZPP, ZCW, ZVP,ZSP, Nav, Xenon
BMW Performance CF Rear spolier and Gloss black grills
2008 Candy White MKV GTI 2.0T 6 Speed Manul Gone
2008 AW X3 3.0si: 6 speed Returned
2006 AW e90 330i: 6 speed Dinan Stage 1 Returned