Exhaust System Basics - Hot Bike Tech
1. Staggered duals, or 2-into-2s, are popular and cost-effective power makers. This Cycle Shack 2-into-2 features tunable baffles, O2 sensor bungs, and are available with 1-3/4- and 2-inch head pipes. The pipes are available with various styled ends and fit factory heat shields.
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