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2013 Lightning Lap
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01-05-2013, 06:44 AM
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robg
Carmudgeon
Join Date: Jun 2004
Posts: 3,261
Consensus seems to be:
-N54 is a bit stronger at the top end
-n54 is more tuneable
-n55 stock exhaust sounds better
-n55 has slightly better low end response
-n55 has more turbo whine noise for better or worse
-n55 gets better mileage
robg
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