Tip: Exhaust

On most cars that have been subjected to high-performance use, the factory exhaust system was trashed long ago, and 30 years later, there might just be a real mess hanging in its place. That 15-year-old muffler shop dual-exhaust system, bent using 2-inch tubing that’s crushed nearly flat in the bends, isn’t doing much for your car’s engine output. The headers and header mufflers routine isn’t only illegal in nearly every state, it’s really annoying to anyone that has to be in your car for more than 10 minutes. And that universal-fit side-exit system that hangs lower than anything else under your car probably sounds as crappy as it looks.

First, the headers: If you’ve got an old set in good shape that fits and flows well, take ’em off and send them out to be sandblasted and ceramic-coated. If they never fit very well and some of the tubes were hammered flat during fitment, junk ’em for a newer set that actually fits and spend the extra dinero for the coating. Got manifolds and want to keep them? Those can also be coated to clean up their appearance.

For pipes, many musclecar owners are fortunate enough to be able to buy kits featuring gorgeous mandrel-bent tubes in large diameters specifically designed for their cars. You can probably do the install yourself, though you might need the muffler shop to weld up the collectors and such. Make sure to use tailpipes this time.

Read more: http://www.carcraft.com/howto/ccrp_0302_10_muscle_car_tips/viewall.html#ixzz2hwZS816t


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