Subject: Gibson exhaust and fuel economy IP: Logged
Message: Hello,
I noticed the Gibson exhaust group buy on the other forum. Everybody has mentioned that this is supposed to increase HP +10 and TQ + 18. I was curious if one could expect better fuel economy as well?
I have a 2001 QC w/ the 4.7. Would the triple cat system reduce the MPG gains from the Gibson exhaust?
Thanks in advance!
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Subject: Gibson exhaust and fuel economy