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Interstate Mufflers - XtremePower Chamber

Technology Includes Fully Welded Case 16 Gauge Aluminized Steel Construction for Maximum Durability and Long Life

XP100 XtremePower Off Road and Race Performance (Single Chamber)

XP200 XtremePower Chamber (5" Round)

XP400 Highway and Street Performance (Dual Chamber)

XP500 Highway and Street Performance (Three Chamber)

XP800 Series XtremePower Chamber (Cross Flow)