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Difference between aero 4040 and 4040xl?

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Old 11-02-2007, 05:20 PM
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Default Difference between aero 4040 and 4040xl?

Whats the difference between a str8 threw resonator (4040XL) and a str8 threw exhaust (4040)?

both are aero components?
 
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Old 11-02-2007, 05:59 PM
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Default RE: Difference between aero 4040 and 4040xl?

i mean ones a resonator and the other is a exhaust.the resonator is $50 more
 
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Old 11-02-2007, 07:54 PM
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Default RE: Difference between aero 4040 and 4040xl?

The resonator is the only difference. Having the resonator will help quiet it a little, I have the 4040xl.
 



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