Footnote refers to a specific part or application


Unisteer Rack & Pinion

We have fit-checked all of our headers with the Unisteer Rack & Pinion steering system.  The only header that will clear without any clearance issues is our 383 1-7/8" Header (part #TTi383-178).

Note:  TTi will not modify their production-run headers to fit your application when using a Unisteer Rack & Pinion. (Sorry)


TTi Header Interference into header tubes  
383-440 1-3/4" Headers 3/4"
440 1-7/8" Headers .080 clearance
383-440 2.0" and 2-1/8" Headers 1"

Hemi 2-1/8" and 2-1/4"

Absolutely will not fit!






TTi Performance Exhaust and Headers

1555 Consumer Circle

Corona, CA 92880-1726 USA

(Manufacturing plant and Distribution center)

Phone (951)371-4878   Fax (951)371-6143

Phone hours:  Mon-Fri, 8am-4pm PST