Hedman Hedders & Trans-Dapt Performance Products are two of the hot rod industries original manufacturers, dating way back to 1954.

Hedman Husler Hedders are unavailable. Please visit Hedman Hedders FOr more information

This is the latest Hedman Hedders Catalog. It contains the entire line of Hedman headers and exhaust products for classic American Buick, Chevrolet, Ford, Dodge, Pontiac and Oldsmobile …

THANK YOU FOR USING TRANS-DAPT PRODUCTS! 12438 Putnam Street Whittier, CA 90602 tel (562) 921-0404 fax (562) 921-7515 website: www.tdperformance.com email: …

We recommend you adhere to your state’s local laws. Our testing indicates performance is not significantly affected by these devices. The use of thermal wraps will drastically shorten the life …