RX7Club.com - Mazda RX7 Forum - Which is louder on an N/A.......Dynomax Ultra Flo or HKS Hiper?

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- - Which is louder on an N/A.......Dynomax Ultra Flo or HKS Hiper? (https://www.rx7club.com/2nd-generation-specific-1986-1992-17/louder-n-dynomax-ultra-flo-hks-hiper-51436/)

LethalRX7

02-05-02 09:33 PM

Which is louder on an N/A.......Dynomax Ultra Flo or HKS Hiper?

Which cat-back is louder/deeper and performs better on an 88' N/A?

Angel Guard Racing Team

02-05-02 09:37 PM

Go for Ultra Flo

ajsuper7

02-05-02 09:44 PM

i figure the hks is louder. i have some dynomax round mufflers on my car and they arnt all that loud, they arent annoying atleast and i dont have any precats or cats. but when you put your foot down it makes noise. so i recomend the dynomax round mufflers.

Angel Guard Racing Team

02-05-02 09:58 PM

Yep they stay quiet when HPD is around...

Ryde _Or_Die

02-05-02 10:00 PM

Aren't the HKS mufflers known for being pretty quiet though? Just thought I heard that a few places.

Angel Guard Racing Team

02-05-02 10:03 PM

Like I said... Get Ultra-Flow. You should see flames comming out of those babies...

ka8legend

02-05-02 10:15 PM

Quote:

Originally posted by Angel Guard Racing Team
Like I said... Get Ultra-Flow. You should see flames comming out of those babies...

What's the power increase like and is the sound deep or raspy? How long do they last since it's filled with fiberglass.

kim307

02-05-02 11:27 PM

just get a presilencer and you're car will be reasonably quiet.

Jay Kim

Angel Guard Racing Team

02-06-02 12:57 PM

Get a straight single tube exhaust, and an Ultra Flow. That will give you Power, performance and lots of noise and lots of tickets :D

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