Question about installing an x-pipe


Founding Member
Jun 28, 1999
Coppell (Dallas), TX
I'm changing my exhaust system from stock to a performance exhaust. I want to use Tri-Y headers, a Dr Gas x-pipe and Spintech or Flowmaster mufflers (haven't decided which yet). From what I've read and seen here and on the Dr Gas site, their x-pipes are universal and have to be welded together. Can I test fit them, mark them, and then take them to the muffler shop to be welded? Or does the shop have to fit them? I'd like to do the install myself, but I want them to fit right. How did you guys do yours?

Also, is 2 1/2 the right size system? It's just a stock K-Code 289 right now but I'm also adding a Shelby-style hi-rise aluminum manifold and a Holley 650.
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Since the kit you would have to buy for an early car is a universal one, I'd suggest bringing the car to a decent shop if you don't have a welder and/or access to a lift and maybe even a tube-bender. Installing a bolt-in exhaust system (like a cat-back for a late-model) can sometimes be a PITA as it is in your driveway. Handbuilding a system on the other hand, patient are you? :bang: