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Premium quality heat-treated 8740 chrome moly steel head stud kits are available for most every domestic and import applications
674˝ Cast Iron/Steel Hub Drill Bit Size (actual dim
All Borla Cat-Back and Axle-Back systems are handmade in the USA from premium T-304 stainless steel
Durability is enhanced by high quality materials
BORLA 40948 XR-1® Sportsman 4" Center-Center 16"x4.5"x7.88" - Racing Muffler ymm_40 Premium quality heat-treated 8740 chromeDescription BORLA 40948 XR 1 Sportsman 4" Center Center 16"x4. 5"x7. 88" Racing Muffler The Sportsman Racing Muffler features a 4" center inlet and 4" center outlet, with a 4. 25" x 7. 88" oval body measuring 16" long and an overall length of 21". Its compact size is suitable for applications with limited space. The reversible design allows for flexible installation options. This muffler is constructed from high quality T 304 austenitic stainless