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Skankin · 07-10-2001, 04:20 PM

I just installed a 2.5" dynomax super-turbo catback & the sound is aweful! (I've also got hi-flow cats, 10:1 compression & the crane 2031 cam).

The mufflers are only 14" (stock is 18"). This allows more of the long wavelength (low RPM) sounds through (un-muffled). It's like I have open pipes at 2000RPM. Above 2500RPM, it's quiter than my stock worn out mufflers were.

I'm gonna try installing some resonators/glass packs in front of the mufflers (on the flow tubes). Hopefully that'll muffle the low end sound, and I'll still have the high flow mufflers.

Summit price matched (excessive motorsports) the stainless steel kit for $249.

A lot of people are happy with the Mac's, but I didn't want a chambered muffler, or chrome pipes that'll discolour.

07-10-2001, 04:20 PM	#4
Skankin Registered Member Join Date: Dec 1998 Location: London, Ontario, Canada Posts: 1,349	I just installed a 2.5" dynomax super-turbo catback & the sound is aweful! (I've also got hi-flow cats, 10:1 compression & the crane 2031 cam). The mufflers are only 14" (stock is 18"). This allows more of the long wavelength (low RPM) sounds through (un-muffled). It's like I have open pipes at 2000RPM. Above 2500RPM, it's quiter than my stock worn out mufflers were. I'm gonna try installing some resonators/glass packs in front of the mufflers (on the flow tubes). Hopefully that'll muffle the low end sound, and I'll still have the high flow mufflers. Summit price matched (excessive motorsports) the stainless steel kit for $249. A lot of people are happy with the Mac's, but I didn't want a chambered muffler, or chrome pipes that'll discolour.