Jeff, yep,more then likely. Alot of differnt companys had made pipes and silencers for hauck, he must go with who gives him the better price to produce them and apply his name tag.
For example cpr used to make the srx hi rpm race pipes which actually were skidoo 600 triple pipes made to fit a srx chassis for hauck and also the viper pipes(hushers) were just cpr pipes with a hauck name stamped in top pipe instead of CPR stamped in top pipe.
He (hauck)then went to Aaen for his supplier of the viper husher pipes, I am unsure of the current maker of srx race pipes, I lost track. You can see the differance in the pipes by the suppliers and makers thru differnt years of the pics from differnt years catalogs.
Long ago I had that original dynoport, 3 long silencer on a srx years ago around 99-2000, you wont sneak anywhere with that on((LOUD)).....lol. Mine said dyno port made right on the side strap, the name tag was just simply welded there.