WebNov 18, 2005 · The mustang tri-ys are $500 and the ceramic version is $700. If you have the extra cash the ceramic-coated ones are definitely worth it. If I remember right he gives you the option of either a 2.5" or 3" flange. Nice headers though and are worth the small tradeoff in torque for the added ground clearance compared to the hookers. WebApr 10, 2009 · I've had these headers for about 5 years but only used them for a couple hundred miles. They are ceramic coated but they look a little dirty. They fit 66-67 …

Doug

WebTRI-Y Headers: Doug's Headers is the originator of the popular TRI-Y design for cars and trucks. Shelby picked this design for the famous GT-350 Mustang Race cars in the '60's. The unique, shorter, paired primary … http://www.fordpowertrain.com/FPAindex/headers2.htm primaarinen hyperaldosteronismi

Tri-Y Headers - Ford Truck Enthusiasts Forums

WebFind Doug Thorley Tri-Y Headers and get Free Shipping on Orders Over $109 at Summit Racing! Thorley headers are designed to outflow your stock exhaust manifolds. They are … WebMost Std. production F.P.A. headers feature 3/8" one piece flanges and 16 gauge tubing. All headers are of the "inside the frame design" and are completely welded with no slip joints. All F.P.A. design headers feature maximum ground clearance and are shipped with gaskets, bolts and street reducers. http://www.fordpowertrain.com/FPAindex/FordTruck1.htm primaarinen motorinen aivokuori