mikeisaid

I am considering installing the steeda underdrive pullies on my 99 GT. what cons should I expect? I have a high end JL audio system in the car. Would I have issues with my amps? since the alt. is going at a lower speed?
Is there really a 10rwhp gain with these pullies?

Thanks for the help.

vertmustang98gt

Do you have subwoofers in the car?
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mikeisaid

Yea, I have the JL stealth in the trunk....

vertmustang98gt

Yeah I've heard problems like when the car comes to a light the subwoofers will shut off and such. But I'm not really sure past that point. Maybe someone can help me elaborate.
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99_GT

If you want torace, get them. If your driven daily, Then don't... Just my .02$

02 Ninja

It's really not worth the PITA if you have a system i.e, amp and subs. I say save your $200 and do something else.

sstang

+1

tbirdscwd

It won't be that bad if you get a capacitor, but not worth the money if you ask me.

hammerdown99

I have Steeda U/D's and didnt notice a difference in my a/c or radio (I have an in-dash screen). They were worth it too me. Just to play it safe you could get a capacitor.

02 Ninja

Your screen doesn't require you to hook a 0,4 or 8 gauge wire to the battery either. Amps draw just a tad bit more power than a radio. You can have underdrive pulleys all day if you just have a radio. The problems start to occur when you start adding amps. If you must feel that the pulleys are a must have, get a cap along with a bigger alternator.