Union 2-into-12 1 UNION CHR CHR FLH T17 UP FEATURES & BENEFITS The worlds only 5 step 2 into 1 performance exhaust system for Touring 3 step header pipes 1 3 4" to 1 7 8" to 2" for anti reversion, full range torque and horsepower Race versions have 2 step removable baffle 2 1 2" to 3" with quiet baffle available 2 1 2" 220 one piece heavy duty 16 gauge heat shields 4" Diameter slash cut end cap with rolled edge that mounts slash up or slash down O2 ports & plugs