They are metal pipes that replace the OEM catalytic converters. One of the largest restrictions in the exhaust system is typically the catalytic converters, and by replacing them with a straight through pipe, you can free up the exhaust flow dramatically. Our racing test pipe can be use in conjunction with the stock down pipe or stock cat back exhaust system. designed to remove your existing catalytic converter to enhance exhaust air flow. The test pipe provides increased amount of air flow through exhaust pipes to prevent any exhaust bottleneck. Our test pipe are made for 100% bolt on application. It does not require any modification.
Fully Polished SUS304 Stainless Steel Tubing & Flanges
Perfect fitment guarantee.
Includes new 304 stainless hardware and rear gasket