496, 454, 502, 520, 540 E-Top/Uni-Top Style Headers - No Tailpipe Required

More About CMI 496, 454, 502, 520, 540 E-Top/Uni-Top Style Headers:

• No additional custom tailpipes to buy – these true plug-and-play systems eliminate the need to remove the stock exhaust hoses to install.
• These kits introduced CMI’s low-cost satin finish. Classic high polished stainless finish is available for additional charge.
• No cast parts to crack; forged and mandrel bent high quality American-made 316L Stainless Steel.
• Improved water jacketed protection compared to stock exhaust and seamless water-jacketed header design reduces crack potential.
• Same semi-automated high quality welding CMI uses on all racing header applications.
• CMI “Cool Collar” flange design eliminates risk of water entering motor by the head flange.
• Competitively priced with other aluminum/stainless header systems but with superior performance and extended life span.
• Fully post-manufacture annealed to reduce stresses.
• Sophisticated engineering leaves stock oil lines in place and only requires relocating the oil filter with a supplied bracket.
• Exhaust Water Temperature Bungs are installed as standard equipment.
• Gives a racing look to stock engines.
• 1 7/8” Inside-Diameter primary tubes to get peak horse power and torque.
• Works on 34.5” drive centers.