Experience unbeatable performance with our Competition-Proven Exhaust, featuring Dual Quiet Mufflers in your choice of 1 1/2" or 1 5/8" tube sizes. This exhaust system includes a merged, spring-attached collector and comes complete with gaskets, clamps, and hardware. Designed specifically for Type 1 vehicles, it eliminates heater boxes for enhanced efficiency and power.

Big Valve Dual Port Head, 85.5mm, Bare

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  • $275.32
  • $323.91
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Bare Head comes with 40mm Intake and 35.5mm Exhaust Seats and Bronze Valve Guides Installed. Rocker, Exhaust and Intake Studs are included. Available with 12mm 3/4" reach plug. Stock size ports.