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8/29/2013 5:37 PM  #1


"How-To" modify 65/66 GT tailpipe tips to fit 2-1/4" tailpipes

Pictures tell the story:

2-1/2" JBA tips (too big)
1-7/8" stock GT tip (too small)



http://i44.tinypic.com/6r3mtg.jpg


Cut off the tip at the 2-1/4" diameter point in the taper.  A piece of 2-1/4" pipe slipped over it makes this real easy.  Just mark where the pipe stops on the taper.

http://i40.tinypic.com/2q9igra.jpg


When you cut it, you will wind up with an inner and an outer section
http://i39.tinypic.com/10565q1.jpg


Hammer the louvers in as far as you can.  This will allow room for the cutoff wheel to fit inside the tip.
http://i41.tinypic.com/qozx8m.jpg


Once the louver is flattened out, use a cutoff wheel to cut the ID of the tip to remove the louver.  Be careful, you are cutting thorough only the first layer of a double wall pipe!

http://i40.tinypic.com/j5wo42.jpg

http://i43.tinypic.com/2rfufrb.jpg


Once the louver is removed, tack weld the two pieces of pipe back together
http://i40.tinypic.com/29wrhur.jpg


Clean up the welds, then weld a section of 2-1/4" tube to the tapered tip.  I have found that 2-1/2" is so big, the welds end up too far towards the big end of the tip and can show through the hole in the valance.  If you are using 2-1/2" pipes like on my 66, take the 2-1/4" tube to a muffler shop and have them expand the 2-1/4" tube so it fits over a 2-1/2" pipe.  That hides the welds behind the expanded part so you get a clean look.
http://i43.tinypic.com/5uqv0w.jpg

http://i42.tinypic.com/11wbhqp.jpg


Finished result.  You CAN weld these in place so you don't have to have a helper run along behind the car to hold them in position.  When installing these, get all the hangers in place and weld the tips last so you can get a perfect fit.

2-1/4" open through tip (just right!)
http://i39.tinypic.com/2mp0743.jpg


If you take the extra time to get everything squared up and equal height, your exhaust system will look alot better.
http://i44.tinypic.com/330v0hz.jpg


Money you enjoy wasting is NOT wasted money... unless your wife finds out.
 

9/07/2013 2:11 PM  #2


Re: "How-To" modify 65/66 GT tailpipe tips to fit 2-1/4" tailpipes

nice Tips Steve ever considered making and selling them??

jimmy O

 

9/08/2013 8:56 PM  #3


Re: "How-To" modify 65/66 GT tailpipe tips to fit 2-1/4" tailpipes

I doubt anyone would pay for all the effort it takes to make them.  I figure I have about $500 in the pair considering I bought a new pair of concours tips and modified them, including all the time I spent on them.

Scott Drake makes a set now with 2" pipes that they say can be expanded to 2-1/4", but they still have the louvers in them.


Money you enjoy wasting is NOT wasted money... unless your wife finds out.
     Thread Starter
 

Board footera


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