What type of performance increase would i receive with the loudmouth and a slp airbox/lid. Will it be very noticeable in acceleration? And I also heard the ses light comes on with these upgrades is it normal or something i should be concerned about.

 

You would get some good power. I would rather go with the TSP lid since it proves to give more power over SLP's lid.
Youll have fun with the loudmouth. I had it and was getting tired of the raw sound, so i went to a dual exhaust syetm. I would listen to some sound clips to see if the loudmouth is relly what your looking for, since there are many catback systems.

A ses lihgt should not come on with these upgrades. If it does, something else is wrong.
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