Our oval exhaust twists are made out of true American made 304 Stainless Steel, with a .065" wall thickness. These oval twists are ideal for under car exhaust systems with a low ground clearance, or going over an axle. These twists are approximately 8" in length. These twists are sold individually If you are unable to find what you're looking for, give one of our specialists a call. 1-800-290-3920