Shorty Unequal Length Exhaust Header Kit; CNC-Series Performance; CNC Mandrel Bent 1.625 in. Tubing; Direct Fit Design; Incl.Direct Fit Bolt On Replacement Headers. Bolt On 10-15 Horsepower Plus. CNC Mandrel-Bent 1-5/8 Tubing For Unrestrictive Exhaust Flow. Precision Laser Cut 3/8 One Piece Flanges. New Gaskets And Hardware Included. BBK Is Your Number One Aftermarket Performance Exhaust Brand. Designed and Manufactured in USA. These BBK Performance shorty unequal Length exhaust Headers are designed and constructed with 1-5/8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque over factory OEM manifolds. As with all BBK Performance exhaust headers they feature a 3/8 laser cut flange for additional strength and a guaranteed leak free fit. All headers are robotically and precision hand welded and then pressure tested to ensure years of reliability and performance in the real world. All BBK exhaust headers are available in a bright chrome or polished silver ceramic coated finish and include new exhaust header gaskets, header bolts and hardware to complete the installation.