I had some fitment issues too. But I sent it back and got a new one. They have excellent customer service. the pipes fiot tight for a reason...grow a pair and they'll fit together. Once mounted weld it solid. Thats what I did and I love my Trubendz.
06 GMC Sierra 2500HD Dmax/ally
06 Pontiac G6 GT
05 CRF250R
FOR SALE 06 KX65 with riding gear $2700 obo