Hybrid Racing USDM T-Shirt 2001-2005-Honda-Civic-Si No modification is necessary

No modification is necessary

stainless steel push rods

and equal length primary runners insures a smooth and unstructured path for exhaust gases

Simply connect the 4 wires as outlined in the install guide and you are ready to rock

reducing the risk of having your coolant turn into steam which then will cause cavitation

Hybrid Racing USDM T-Shirt 2001-2005-Honda-Civic-Si No modification is necessaryHybrid Racing Tees are printed on 50% Cotton 50% Polyester Gildan shirts. Printed in the USA. Printed on the front is our racing door tag, "03" shown to represent the year we were founded. The back of the shirt is our United States Seal printed in light gray.