oli-pug 6 2 Cars Posted January 23, 2007 i need a new backbox for the 205. ive currently got a full magnex system and the backbox is on its way out... so i wondered whether a stainless steel group n from somewhere like QEP would fit onto the magnex pipework. Share this post Link to post Share on other sites
pug_ham 245 3 Cars Posted January 24, 2007 If they are both the same fitting (olive or sleeve) then probably but the OMP is possibly a smaller diameter bore than a Magnex. Graham. Share this post Link to post Share on other sites
