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Mustang Forums
2011-2014 Mustangs
Exhaust
Typical gains with Kooks 1 3/4" headers...
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<blockquote data-quote="termie2590" data-source="post: 11845072" data-attributes="member: 67906"><p>I did kooks longtubes and catted x , on a local mustang dyno that reads rather low and i have the peak numbers on my phone but i know it was almost 20 at the wheels in the upper middle 5300? but with cai , tune and gt 500 muffs my peak was 358.4 and after the header swap it was 372.8. I dont know where my sheets are but i can read the peak #s on my phone. i know my numbers seem low but it is an auto and this was done in third gear (not locked in fourth) and before headers it did run a 13.09 at 109 on a 4400 da evening but i have not been to a track yet this year so no current numbers yet. hope this helps!</p></blockquote><p></p>
[QUOTE="termie2590, post: 11845072, member: 67906"] I did kooks longtubes and catted x , on a local mustang dyno that reads rather low and i have the peak numbers on my phone but i know it was almost 20 at the wheels in the upper middle 5300? but with cai , tune and gt 500 muffs my peak was 358.4 and after the header swap it was 372.8. I dont know where my sheets are but i can read the peak #s on my phone. i know my numbers seem low but it is an auto and this was done in third gear (not locked in fourth) and before headers it did run a 13.09 at 109 on a 4400 da evening but i have not been to a track yet this year so no current numbers yet. hope this helps! [/QUOTE]
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Exhaust
Typical gains with Kooks 1 3/4" headers...
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