Kooks Headers & Exhaust: 2015-2017 MUSTANG SHELBY GT350 COMPETITION EXHAUST WITH 1 3/4IN X 1 7/8 X 3IN STEPPED HEADERS W/ 3 X 2 3/4IN OEM GREEN CATTED X-PIPE AND 3IN AXLE BACK FOR FACTORY QUAD TIPS Track Size: 19x9

Size: 19x9

Merge collectors complete with welded scavenger spikes

as well as CNG

They are on page 295 of this master catalog

Having just completed some significant modifications and already running the 1000cc DW 16u-90 injectors

Kooks Headers & Exhaust: 2015-2017 MUSTANG SHELBY GT350 COMPETITION EXHAUST WITH 1 3/4IN X 1 7/8 X 3IN STEPPED HEADERS W/ 3 X 2 3/4IN OEM GREEN CATTED X-PIPE AND 3IN AXLE BACK FOR FACTORY QUAD TIPS Track Size: 19x92015 + Ford Mustang Shelby GT350 5. 2L 4V Complete Competition Exhaust System Includes 1 3 4" x 1 7 8" x 3" Stainless Steel Long Tube Stepped Headers w 3" x 2 3 4" OEM GREEN Catted Stainless X Pipe and 3" Axle Back Exhaust System. Uses the Factory Quad Tips