Dynatech 2-1/2 x 4-1/2 Merge Collector 20-PRY-NB-XS This design surpasses the quality

This design surpasses the quality and ability of a typical cork or paper gasket

Compatible with any high volume electric or mechanical fuel pump

Manufactured with high temperature epoxy which resists shock and vibration while increasing thermal conductivity

1989-1999 Ford F-250

1 and Star Infusion Helmets

Dynatech 2-1/2 x 4-1/2 Merge Collector 20-PRY-NB-XS This design surpasses the qualityProduct Description: Collector Slip On Merge 4 x 2 1 2 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.