Muffler outlet position

Muffler Tech out of Canada were kind enough to provide me with the wrong tailpipes without disclosing it in their ad. So naturally to solve the problem the guy wants to sell me his side outlet mufflers. I already have the correct mufflers, I think he should get his machine out and start bending some new pipes for me. He said he has no template /specs to make a set from, so I told him I`m not going to toss my Delta Flo50`s for his 29.00 mufflers, I`ll have new tailpipes made.I tried to make my point without being rude, that he should have put that the muffler outputs were not centered (as stock) in his ad.