https://www.nengun.com/toda/high-power-surge-tank

​​​​​​Nengun offers the Toda High Power Surge Tank which features high quality carbon construction designed specifically for the best intake performance across a range of engines.

Honda DC5/EP3/CL7/FD2 K20 Specifications

• Inlet outer diameter: 80mm
• Inner diameter tapers down from 75mm to 65mm

Honda - F20C/F22C Specifications

• Trumpet length in image is 64mm
• Inlet outer diameter is 80mm
• Inner diameter tapers down from 85mm to 80mm
• When used with 88mm trumpet, #4 trumpers upper clearance will be approx 50mm

Honda - DC2/EG6 - B16/18 Specifications

• Inlet outer diameter 80mm
• Inner diameter tapes down from 75mm to 65mm
• To be used together with 33mm trumpets

If you have any questions regarding this, or any product we offer, just send us an email at products@nengun.com and our team would be happy to help you.