Tri-Y Headers for 65-70 Mustang 260-302 SBF W/O EGR/A.I.R. Automatic D690YA holleyefi which means they utilize right

which means they utilize right hand and left hand threaded components that allow easier adjustment while the control arms are being bolted to the vehicle

Do not be fooled by others claiming parallelism and concentricity

) 42 Title Standard Grade Direct-Fit Substrate Material Ceramic Air Tube Adaptable Yes Type Direct-Fit Converter Quantity 1 Finish Stainless Steel Inlet Attachment Bolt-On Oxygen Sensor Location Pre and Post Converter Material Stainless Steel Heat Shield Included Yes

this direct-fit catalytic converter also interchanges with OE part NC4Z-5E212-A

Tri-Y Headers for 65-70 Mustang 260-302 SBF W/O EGR/A.I.R. Automatic D690YA holleyefi which means they utilize rightOverview: 65 70 Mustang SBF Tri Y Silver Ctd Doug's is the pioneering force behind the popular TRI Y design for cars and trucks. The unique, shortend, paired primary tubes increase mid range torque without sacrificing top end power. TRI Y's are a great choice for daily drivers and heavy duty trucks looking to increase power from idle up to 4500 RPM while maintaining maximum fuel efficiency. Features: 3 8" thick machined flanges to prevent warping CNC