Description:

Stainless Steel Flex Couplers that have bellows with interlocking lining to help increased exhaust flow through the coupler, and prevent excessive back pressure to build.
Made of 304 stainless steel throughout, including weld rings. Will never rust.
Made to handle forced induction turbo and supercharged vehicles.
Interlocking lining. Nonmagnetic.
Size: 76x100mm/3x4 inches, 3" x 4" long

Specification:

304 stainless steel (will never rust)
409 stainless steel weld rings (others use mild steel / aluminum)
Size: 76x100mm/3x4 inches

Package Includes:

1 Piece Exhaust Tube