Dynatech 2-3/8" x 4-1/2" Merge Collector 33004BL Under drive pulleys increase engine

Under drive pulleys increase engine output by reducing the draw of the engines accessories by slowing them down and reducing the HP they use

Polished cast aluminum covers resist warping and leaking that is common with OE style stamped steel covers

High-output coil is specifically designed for use with the high-output inductive storage ignition module found in Allstar Performance Street/Strip series distributors

AFCO / SCP / Winters 2-1/2 in 5x5 Pin

Dynatech 2-3/8" x 4-1/2" Merge Collector 33004BL Under drive pulleys increase engineProduct Description: Collector Slip On Merge 4 x 2 3 8 in Primary Tubes 4 1 2 in Outlet 12 in Long Steel Black Paint Sold Individually Dynatech continues to be the exhaust leader in all forms of racing and high performance applications. You can be assured that you will get all the performance and quality possible from your Dynatech headers.