For custom needs, Borla offers components of its performance exhausts separately. Use of these products may require changes to the OEM system or the fabrication of a custom exhaust. All responsibility for the outcome of such projects is assumed by the customer purchasing the product. Borla TURBO and TURBO-XL mufflers are designed for supreme street performance, featuring high quality austenitic stainless steel, all-welded construction and more for increased horsepower and torque. Independent tests prove maximum flow capability. This oval style muffler features an inlet diameter of 2.5 inches and a dual outlet with a diameter of 2.5 inches. It also has a case size of 19 inches x 5.5 inches x 10.25 inches.