Hard Krome's Latest Design the VortaXX w/RES-TEC

• 4" Diameter muffler featuring RES-TEC (Reduced Exhaust Sound Technology)
• RES-TEC muffler cartridges significantly reduce both hi an low frequency sound waves
• Stepped header design tapers from 1.75" diameter to 1.875" diameter to 2" diameter
• Feature patented True Doublewall Construction and CNC machined billet end caps on front and rear of muffler body
• Dual O2 Sensor ports for 2007 models
• Optional colored end caps are available separately