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A 6-point motorcycle inspired 14mm nut with washer is included with each stud
Designed for top end power Include 3" v-band kit built per application
25mm x 55mm with 4mm hex key tip for Allen wrench installation
EP3 will require exhaust modifications
304 stainless with coated female V-band flange
DTR Design B-Series 4-2-1 street header CRX EF lean k series A 6-point motorcycle inspired 14mmDTR Design (imported)304 stainless B series 4 2 1 two step header 44mm 48mm to 50mm secondary with a standard 64mm donut gasket exit. Available for B18 B20 and high output B20 (54mm secondary) 4 2 1 design is great for midrange and top end power with maximum ground clearance for street driven longevity. AC PS compatible