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Q300 (dual +HFC) vs. Greddy SE (dual+HFC)

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Old 05-29-2013, 10:48 AM
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Default Q300 (dual +HFC) vs. Greddy SE (dual+HFC)
which one sounds better the Q300 with a HFC, or the Greddy Spectrum Elite with a HFC? anyone has heard both? whats the sound volume difference?
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Old 05-29-2013, 11:00 AM
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Originally Posted by Joey2K
which one sounds better the Q300 with a HFC, or the Greddy Spectrum Elite with a HFC? anyone has heard both? whats the sound volume difference?
The greddy sounds better. the sound volume difference is a 3.

hope you're not looking for solid answers on this opinionated question
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Old 05-29-2013, 11:45 AM
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I have supercharged 08' with the q300 and a test pipe. In my opinion it is way to loud. Will be looking to make a change in the near future.
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Old 05-29-2013, 03:48 PM
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Originally Posted by unlewser
Originally Posted by Joey2K' timestamp='1369853292' post='22574160
which one sounds better the Q300 with a HFC, or the Greddy Spectrum Elite with a HFC? anyone has heard both? whats the sound volume difference?
The greddy sounds better. the sound volume difference is a 3.

hope you're not looking for solid answers on this opinionated question
yeah I know it's subjective but I have no other means of knowing right now. When you say it a 3, you mean as in a scale of 0-10, the Greddy is louder by 3 digits? Also do you know anything about the drone in each?
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Old 05-30-2013, 09:16 AM
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PS: is there any advantage to a 'equal length' exhaust for a dual? (the Q300 is equal length and the Greddy isn't)
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Old 05-30-2013, 09:49 AM
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Originally Posted by Joey2K
PS: is there any advantage to a 'equal length' exhaust for a dual? (the Q300 is equal length and the Greddy isn't)
A straight shot from the manifold to the exhaust tips should be preffered. How much of a difference this would make, I have no idea.
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Old 05-31-2013, 04:26 PM
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Originally Posted by Joey2K
Originally Posted by unlewser' timestamp='1369854028' post='22574186
[quote name='Joey2K' timestamp='1369853292' post='22574160']
which one sounds better the Q300 with a HFC, or the Greddy Spectrum Elite with a HFC? anyone has heard both? whats the sound volume difference?
The greddy sounds better. the sound volume difference is a 3.

hope you're not looking for solid answers on this opinionated question
yeah I know it's subjective but I have no other means of knowing right now. When you say it a 3, you mean as in a scale of 0-10, the Greddy is louder by 3 digits? Also do you know anything about the drone in each?
[/quote]


When he says a 3, I think he's just trying to be an ass lol
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Old 06-01-2013, 04:40 AM
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I can't comment on the Greddy, but I just installed a Q300 on my s last weekend and it sounds great (stock cat and K&N FIPK).
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Old 06-01-2013, 06:00 AM
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Using a Q300 with anything other than stock cat is a mistake.
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Old 06-01-2013, 06:07 AM
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Originally Posted by Mark355
Using a Q300 with anything other than stock cat is a mistake.
Isn't the stock cat fairly high flow?

Is there really anything to be gained from a HFC?
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