Stainless steel interlock 40mm flexible hose, perfect for wastegates and other exhaust dump pipes. BOOST products stainless steel corrugated pipe 40mm Flexible Stainless steel exhaust pipe for exhaust systems For Wastegate and similar This flexible stainless steel exhaust pipe is actually the inner layer of the Interlock Flex Pipes. It is a stainless steel exhaust pipe which can be bent and thereby balances vibrations and movement for example heat expansion. Very suitable for the Wastegate return line or manifold construction. Note: The flexible pipe can never be 100% gas-tight due to its flexible construction method. Inner Diameter: 40mm Length: 500mm Material: 100% stainless steel 1.4301 / SS304 / V2A 5 Years BOOST products Warranty For this item you receive 5 years warranty in the Area of the Federal Republic of Germany, additionally to the legal guarantee. The processing is handled directly by BOOST products GmbH regarding the BOOST products Warranty Terms. You find these at www.boost-products.eu/en/cont/warranty-conditions/ .