Kooks 20-22 Ford F250 7.3L V8 / Ford F350 7.3L V8 1-7/8in x 3in SS Headers w/ Green Catted Conn FX35 FX37 QX70 [2011-2017] Mandrel bent Stainless Steel constructionVirtually

Mandrel bent Stainless Steel constructionVirtually eliminates backpressureLowers exhaust gas tempsDramatically improves flowMaximum Airflow4-inch constant-diameter DPF-back systemDesign cools tailpipe temps as much or more than stockCuts backpressure by nearly 57%Huge polished CHROME tipEmissions Compliant: E

and has a smooth interior surface for maximum flow

and layers of high flow cotton gauze

Details: 1/8 inch Thick Steel

Part No: CF8993OEM-INTR-3 CF8993OEM-INTR-9

Kooks 20-22 Ford F250 7.3L V8 / Ford F350 7.3L V8 1-7/8in x 3in SS Headers w/ Green Catted Conn FX35 FX37 QX70 [2011-2017] Mandrel bent Stainless Steel constructionVirtuallyKooks 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