+1 with Rolf, yeah, they are asymmetrical. Yet, as others have said, may a bit much in your case. worth loosening the entire exhaust from the heads, through the crossover's hangers, canister hangers, and attachments to the frame tabs and "grooming" the entire system, front to rear, to relieve stress and obtain a more optimal symmetry. Start at the heads and work in steps in a "star pattern."