BBK has new full length exhaust headers for all 1999-2013 GM trucks: 4.8L, 5.3L, 6.0L & 6.2L gas V8 engine GM full size trucks, both 2WD & 4WD. Part # 1614 (Nickel Chrome), Part # 16140 (Polished Silver Ceramic) is available thru Marken Performance and will provide real improvements in horsepower and torque for added overall performance. These headers are designed using 1-3/4" CNC mandrel bent tubing for unrestricted flow and come with a 2 piece Y-pipe.
After fitment of the headers, the 2 piece BBK Y-pipe bolts on and goes from the header collectors back to the cross member and completely clears the engine and drivetrain to terminate in the perfect location to adapt and bolt up to the factory rear dual or single rear exhaust system. The dual Y pipe is manufactured from 2-1/2" CNC mandrel bent aluminized tubing and terminates with the tubes against each other so the customer can merge them into one or continue them dual all the way back. Please note that the Y-pipe does require some simple adaptation and minor welding to complete, however the Long tube headers are a direct true bolt on with the exception of EGR connections. (a EGR block off plate is included should you not wish to make the minor EGR tube extension modifications.
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