exhaust for 2009 2.4L? - Pontiac G6 Forum
 
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post #1 of 8 (permalink) Old 03-07-2010, 10:40 PM Thread Starter
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exhaust for 2009 2.4L?

i'm thinking about upgrading the exhaust in my 2.4l, my first stupid question is: will an exhaust increase my mpg and engine life?
probably another stupid question..but do the exhausts for the 2008 2.4L g6s work for the 2009s?
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post #2 of 8 (permalink) Old 03-07-2010, 11:46 PM
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Well i know it adds some power If its done correctly not sure about MPG though.
All g6ers use the Same exhaust setup

I have a single outlet but most everyone gets the dual valance and gets the Gt-r.
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post #3 of 8 (permalink) Old 03-08-2010, 06:11 AM
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I got about a 1-1.5 mpg increase from the GT-R

But of course, YMMV (literally in this case )

And you would have to get the dual outlet valence as Daniel said.

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post #4 of 8 (permalink) Old 03-11-2010, 08:54 PM Thread Starter
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are there any single outlet ones? i dont know if the dual exhaust will harm my performance or not.
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post #5 of 8 (permalink) Old 03-12-2010, 10:59 AM
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Dual outlet exhaust won't harm your performance at all.

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post #6 of 8 (permalink) Old 03-15-2010, 03:11 PM Thread Starter
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is there any way i can add some performance without losing torque in the lower rpms without the gtr system? i won't have quite enough for it for a while...
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post #7 of 8 (permalink) Old 04-16-2010, 05:56 PM
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is there a direct fit, or easy to fit muffler only sold that would work on the 2.4L?
would that make any difference in performance and mpg?
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post #8 of 8 (permalink) Old 08-20-2010, 11:18 AM
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magna flow makes a direct fit fot the 2.4liter single outlet
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