40 inch piece of 5 inch pipe, ID on one end to slide OVER 5 inch pipe, and 5 inch OD on the other end.
Diamond Eye part number: 405040
IMPORTANT NOTE: Due to varying laws and regulations, most Diamond Eye exhaust systems & components cannot ship to California. Take a look at our product selection for alternatives from other manufacturers if you are in California. If you have any questions about other options, please give us a call or send us an e-mail, we'd be happy to help.