According to the Borla catalog, they do not have an exhaust system for the Countach.
Chadbourn Bolles
803 532 6257
Borla's stainless steel Diablo cat-back exhaust systems is backed by Borla's Million Mile warranty. They are dyno-tuned for this specific application & is Smog-legal in all 50 states. This kit includes all stainless steel pipes, clamps, Borla's Turbo mufflers, and intercooled exhaust tips.
For more details:
Borla Performance Industries - Products
Retailed for $2,714.99
Will sell this for my cost at $2299.00 shipped[/quote]