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Old 02-13-2012, 05:20 PM
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Talking 4.0L headers!!!!! Help

Hi everybody i have a 99 wj 4.0 with cold intake and magnaflow muffler. I wanted to add some horses to it. Which header is the best out? Which one was the best sound? Is it worth the money??
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Old 02-16-2012, 09:53 PM
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I had borla's stainless headers on my 4.0 TJ and certainly felt an improvement. My stocker had a crack in it so it was a need more than a want. It was not cheap, but it was a quality piece. Coupled with a borla cat-back and a random technologies performance cat, it had a great sound and 100% stainless, so I knew I'd never have to replace. All of borla's stuff has a million mile warranty I think. I have also heard good things about thorley headers, but I have no experience with them.
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Old 02-19-2012, 08:31 PM
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Re: 4.0L headers!!!!! Help

oh ok cool thanks for the info. how expensive are you talking??? because i heard nothing but good things about them. ive only heard the borla exhaust on the srt8
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