• 1 3/4" head pipe
• Increase in horsepower and torque over stock and decreases heat
• Combine with Freedom Performance slip-ons or any other slip-on mufflers to make a complete system
• Full length 1-piece 220° coverage heat shields
• Stainless steel hardware for strength and rust resistance
• Systems come with O2 sensor ports
• 1 year warranty
• 100% American made