mufflers?

[Hammer]

I must agree with kg2hk on this one...

Also, If you are going to replace the mufflers, you might as well spend the extra bucks on the cat-back system. The dynomax system doesn't sound much louder than stock, but has a much nicer "throaty" sound, not as loud and disturbing as the flowmasters. (This all depends on your taste actually) and at 2.5 inches, you can open up the rest of the system with just an H/X pipe and headers if/when your hp numbers start reaching around the 300 mark.

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98 GT
Dyno-Max cat-back exhaust, 3.73 gears, Steeda shifter, Ford Motorsport Underdrive pullies, 87mm MAF and Roush cold air kit...