headers question
it is same headers and performance or not ??
because same of thous headers cost 4000 and another cost 2400 and on dyno some of car made 460 same car made 475 this different because headers quality or octane boost




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Anyone looking for headers now would be a fool not to get in on the group buy.
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40 HP from slapping on headers on an N/A motor is very lofty. So please excuse my skepticism. I just think you might have it backwards... Expelling a larger amount of gasses will get you 40 HP... Yet, finely tuning an AFR isn't the bulk of that???
Have p31 filters row boxes etc and my tune said I can make 8-10whp on a 104 race map.
Full bolt on headers cars make 465-485whp so yes headers add 35-45whp on our cars...60whp if you believe the 500whp thread
Have p31 filters row boxes etc and my tune said I can make 8-10whp on a 104 race map.
Full bolt on headers cars make 465-485whp so yes headers add 35-45whp on our cars...60whp if you believe the 500whp thread
EDIT::
Don't get me started on that 500HP thread lolol
EDIT::
Don't get me started on that 500HP thread lolol
This is a 10 year old platform and people after doing full bolt ons make 465-485whp.
If I make 482whp I made 40whp from adding headers. Our manifolds are holding the car back.
There are countless people making north of 465whp after doing headers
This is a 10 year old platform and people after doing full bolt ons make 465-485whp.
If I make 482whp I made 40whp from adding headers. Our manifolds are holding the car back.
There are countless people making north of 465whp after doing headers
40 HP from slapping on headers on an N/A motor is very lofty. So please excuse my skepticism. I just think you might have it backwards... Expelling a larger amount of gasses will get you 40 HP... Yet, finely tuning an AFR isn't the bulk of that???
My baseline was 380 whp. With only a tune, I made 425 whp. After headers I make around 465 whp. This is all proven on the same dyno. My numbers are pretty normal for a non-P31 car. There are countless threads with people doing the exact same thing. With e85, headers, and a tune, people generally break the 500 whp mark or gain roughly 120+ whp.
The two graphs are PPP with headers and sports cats 446whp
And with ec v5 tune and headers 462whp
Last edited by Brunty88; Jun 7, 2017 at 04:38 PM.
Not sure I follow your math.. Headers 2k, Tune assuming you don't already have one $700. If you have the V6 a retune is $100.
So I'm looking at 2100-2700 depending on if I have a tune. Add 200-300 for your local exhaust shop to put them on and I have a grand total of
2300-3k all in !!




So I'm looking at 2100-2700 depending on if I have a tune. Add 200-300 for your local exhaust shop to put them on and I have a grand total of
2300-3k all in !!

Pretty much standard pricing from my local exhaust shop in FL. I actually had a complete 3in mandrel bent system installed, with mufflers, and headers for $350. Maybe its a lot more in NYC or NJ idk ??
Last edited by C63fora2w1; Jun 7, 2017 at 05:35 PM.






it's not rocket surgery...
