SUPERTRAPP TRAPP CAP FOR 4 EXTERNAL DISC SYSTEMS. SLOTTED WHEEL STYLE MFG# 402-1020
Source: Custom Chrome
A beautiful addition to any 4" external disc SuperTrapp® muffler. Machined from billet aluminum and hand-polished to a mirror finish. Can be run open for maximum sound and top end power, or closed for improved low end torque and quieter operation. Sold each.