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View Full Version : True dual or ? 1990 SC



Scott Redd
07-31-2002, 05:31 PM
I have been doing some research and getting different opinions,
I first wanted to go with true dual straight 2 1/4 to turbo exhaust but was told it would sound lousy.

Second option is to go with 2 1/2 to3 to a resonator back to 2 1/2 to turbos. I have been told this is a better option (sound Etc.)

My goal is to have a clean sounding not extremely loud system that will handle a 10% pulley and a custom chip.

I have an appointment with the exhaust shop Friday AM and donít want to make the wrong choice.

Please let me know what works best.

Thanks, Scott

Digitalchaos
07-31-2002, 08:14 PM
True duals usually provide the best flow, perhaps a resonator could be fitted to each side for sound. Many have had satisfactory results w/o true duals, using upgraded/deleted cats & mufflers. Porting the exhuast manifold always helps.. ported manifolds are said to be adequate for up to 400 bhp.