Kooks C8 Corvette Stingray 3" Ultra GREEN Catted Connection Pipes Stingray Part number 140839 includes both

Part number 140839 includes both AFM and NPP dual mode exhaust valves

with adjustable compression and rebound dampening

Designed for synthetic and conventional oils

Progressive Bump Seal Design For A Perfect Fit

The splitter is produced from carbon polyweave

Kooks C8 Corvette Stingray 3" Ultra GREEN Catted Connection Pipes Stingray Part number 140839 includes bothKooks 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