High quality with Interlock reinforcement for welding made of 100% Stainless Steel Universal BOOST Products Flex pipe 89mm / 100mm for welding made of 100% Stainless Steel high quality with Interlock reinforcement - universal for welding - BOOST Products Flex pipe in best quality completely made of stainless steel - gas tight spiral wall - with an inner continuous streamlined reinforcement - suitable for every output - very advisable for turbocharger and supercharger upgrades - very flexible but still stable - extremely durable, close to be indestructible - very resilient, also with high exhaust temperatures - Also applicable in the Downpipe, just after the turbocharger Technical Specifications: - diameter Intake: 89mm / 3,5/ - diameter Exit: 89mm / 3,5/ - Overall Diameter: 114mm - Length: 100mm - Material: 100% stainless steel 304 - 4-layers The picture shows an example. The proportions might not match.