3.7 performance increase? - Jeep Commander Forums: Jeep Commander Forum
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post #1 of 6 (permalink) Old 09-23-2012, 05:39 PM Thread Starter
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3.7 performance increase?

will a k&n intake make a difference? what will make a difference? please some 1 give me some advice?
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post #2 of 6 (permalink) Old 09-24-2012, 07:33 PM
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Makes a little difference in sound. I didn't notice any increased MPGs. Occasionally feel better torque. Looks cool when you open your hood.
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post #3 of 6 (permalink) Old 09-25-2012, 11:38 AM
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Cool factor is there, slightly better acceleration. very little gains elsewhere.
If you get one, go to autoanything.com, 1st time buyers save. I spent $243, no tx or shipping for the 77 series, chrome
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post #4 of 6 (permalink) Old 09-25-2012, 08:47 PM
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I recommend a magnaflow muffler. I was averaging 15.5 before it and now I get about 17.4. That's with punching the accelerator a lot because it sounds a lot better, haha. Adding a CAI would make it sound better also but I dont think its worth the money. I spent $110 total on a muffler and having it welded in. Hope this helps.

Last edited by HiJeffinition; 09-28-2012 at 11:55 AM.
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post #5 of 6 (permalink) Old 09-25-2012, 08:59 PM Thread Starter
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hey can you direct me to where i can get the muffler?
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post #6 of 6 (permalink) Old 09-28-2012, 11:54 AM
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Quote:
Originally Posted by dkia01 View Post
hey can you direct me to where i can get the muffler?
I got my muffler from O'Reillys Auto Parts and went to a muffler shop to have it welded in. The magnaflow muffler was about 80 bucks and it was about 25 to have the old muffler removed and the new one welded in. They had to add some pipe since the old muffler is huge and the magnaflow is compact.
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