Made of 304 stainless steel throughout, 409 steel weld rings. Made to handle forced induction turbo and supercharged vehicles. Interlocking lining. Nonmagnetic. 3 x 4 long.

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

TurboFlex Coupling Interlock Stainless Steel Flexible Coupler, 2.5 ID

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

Twisted Steel Down Pipe 3 IN 304 Stainless Steel w/ Cat

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

Flex Pipe, Flex Pipe Exhaust, 3 Inch Flex Pipe, 3 Inch Flexible Exhaust Pipe, Muffler Flex Pipe, Stainless Steel Flex Pipe, Exhaust Flexi, Exhaust Flex Pipe, Exhaust Flexible Pipe, Universal Flex Pipe

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

Twisted Steel Down Pipe 3 to 2-3/4 IN 304 Stainless Steel w/ Cat

PRODUCT PARAMETER - 3 Inlet/outlet diameter, 4 overall length(total length including extension), 1 Piece of 100% brand new double braided flex pipe.

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

Autarboor Exhaust Flex Pipe, 3'' x 4''Stainless Steel Heavy Duty Exhaust Flex Pipe, Double Braid Exhaust Flex Tube

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

1 1/4 Schedule 40 Stainless Steel Pipe

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

Braided Flex Exhaust Pipe Couplings in 304 Stainless Steel– Ace Race Parts

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

Universal-2 ID X 4 Long Vibrant 2 Turboflex Coupling With Interlock Liner

3 inch x 4 inch Exhaust Flex Pipe 304 Stainless Steel Interlocking Liner Coupler Turbo

TurboFlex Couplers with Interlock Liner - Vibrant Performance