3" SS Connection-Back ULTRA X Touring Exhaust w/SS Tips. 18-26 Mustang GT 5.0L Shopify Collective They feature a Teflon liner

They feature a Teflon liner to provide quiet operation

Viscosity Index 166

+3 (Type 7176) and ATF+4 (Type 9602) requirements

The liner is also self-lubricating and self-cleaning

at degrees C 59 at neg 35

3" SS Connection-Back ULTRA X Touring Exhaust w/SS Tips. 18-26 Mustang GT 5.0L Shopify Collective They feature a Teflon linerKooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years! Since 1962, Kooks takes pride in offering the best Headers and complete exhaust systems for your street, race and off road applications. We have won hundreds of championships and set countless records in the NHRA, IHRA, NMCA, NMRA, NASCAR, NASA, SCCA and many other racing organizations. Now with three generations of family leadership, we are proud