Brand

• Hooker Headers
• Kooks Custom Headers
• Vibrant Performance

Bolt Circle Diameter

• N/A
• 3.250 in.
• 3.420 in.
• 3.500 in.
• 3.880 in.
• 3.890 in.
• 4.000 in.
• 4.150 in.
• 4.460 in.
• 5.000 in.

Engine Make/Size

• 5.7/6.1/6.2/6.4 HEMI
• Ford 3V Modular
• Ford Big Block
• Ford VooDoo
• HMS Enforcer Small Block Chevrolet
• SBC Fast Burn/LT1
• Audi 2.7L
• BMW 1.8L
• BMW 1.9L
• BMW E36/E46
• Chevy 283-400
• Chevy 3.6L
• Chevy 5.3L
• Chevy 5.7L
• Chevy 6.0L
• Chevy 6.2L
• Chevy Big Block
• Chevy LS Series
• Chevy LS1
• Chevy LSX
• Chevy Small Block
• Chevy Small Block (262-400)
• Chevy Small Block LS Series
• Ford 2V Engine
• Ford 302-351W SVO
• Ford 4.0L
• Ford 4.3L
• Ford 4.6L
• Ford 4.7L
• Ford 4.8L
• Ford 5.0L
• Ford 5.0L Coyote
• Ford 5.4L
• Ford 5.8L
• Ford 6.2L
• Ford 6.4L
• Ford Small Block
• Gen V LT1
• GM 2.2L
• Honda 1.3L
• Honda 1.5L
• Honda 1.6L
• Honda 1.7L
• Honda 2.0L
• Honda 2.2L
• Honda 2.4L
• Hyundai 2.0L
• Mitsubishi 2.0L
• Mitsubishi 4G63
• Mopar 5.7L Hemi
• Universal Engine
• Nissan 2.0L
• Nissan 2.4L
• Nissan 2.5L
• Nissan 2.6L
• Nissan 3.5L
• Nissan 5.6L
• Porsche 3.0L
• Porsche 3.6L
• Small Block Chevy LT1
• Subaru 2.0L
• Toyota 2.4L
• Toyota 2AZ-FE
• Toyota 3.0L
• Toyota 5.7L
• Universal
• Volkswagen 1.8L
• Volkswagen 2.0L
• Volkswagen 2.5L
• Volkswagen 3.0L

Finish

• Machined
• Natural
• Raw
• Stainless Steel

Matching Tube Size

• N/A
• 1.625 in.
• 1.750 in.
• 1.875 in.
• 2.000 in. ID
• 2.250 in. ID
• 2.500 in. ID
• 2.750 in. ID
• 3.000 in. ID
• 3.000 in. OD
• 3.500 in. ID
• 3.500 in. OD
• 4.000 in. ID
• 4.000 in. OD

Material

• 304 Stainless Steel
• Aluminum
• Stainless Steel
• T304 Stainless Steel
• Mild Steel

Port Size

• 1.500 in.
• 1.625 in.
• 1.750 in./1.875 in.
• 2.000 in.
• 2.375 in.
• For Standard Round Tubing
• N/A
• 1.750 in. D Port
• 1.750 in.
• 1.875 in.
• 2.125 in.
• 2.250 in.
• 2.500 in.
• 2.750 in.
• 3.000 in.
• 3.500 in.
• 4.000 in.

Product Width

• N/A
• OEM
• 3.900 in.
• 4.150 in.
• 4.370 in.
• 4.820 in.
• 4.9 in.
• 5.050 in.
• 5.250 in.
• 6.000 in.

Thickness

• 0.060 in.
• 0.250 in.
• 0.312 in.
• 0.830 in.
• 0.375 in.
• N/A
• 0.500 in.
• 0.3125 in.