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Search: Posts Made By: trwolfpack
Forum: Engine Performance/Intakes/Exhausts 04-04-2012, 12:10 PM
Replies: 7
Views: 1,673
Posted By trwolfpack
2012 Hemi Cherokee Air Intake and Performance Chip

Anyone hear of Engine performance chips - electric super charger 2.5 PSI air intake unit? does it work? -- also they claims to have the X3 performance chip with O2 sensor, they claim some big gains...
Forum: Engine Performance/Intakes/Exhausts 04-02-2012, 05:21 PM
Replies: 4
Views: 1,250
Posted By trwolfpack
2011/12 Hemi grand cherokee exhaust

Is it worth it to upgrade the stock exhaust on the 2012 hemi grand cherokee 4 x 4 --- what are the real - mpg, trq and hp gains for doing so - and what is the diameter of the stock exhaust - thanks
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