JDM dc 4-1 header info
It looks great, definetly helped my power coming from a comptech 4-2-1, helped midrange and up high. Haven't compared it to any other 2.5 collector headers yet though.
Please, if you are looking into buying a header, I urge you to contribute to the header test we have scheduled for 12/15. We will be dyno'ing the following headers (tentative):
Mugen
Spoon
Toda
HyTech
SMS
DC 4-1 (JDM)
JDM 4-1
J's Racing
stock USDM header.
We have a little over half the money we need to rent the dyno for a day, so please if anyone can contribute it will be greatly appreciated!
Please read the link in my signature
Thanks,
Ed
Please, if you are looking into buying a header, I urge you to contribute to the header test we have scheduled for 12/15. We will be dyno'ing the following headers (tentative):
Mugen
Spoon
Toda
HyTech
SMS
DC 4-1 (JDM)
JDM 4-1
J's Racing
stock USDM header.
We have a little over half the money we need to rent the dyno for a day, so please if anyone can contribute it will be greatly appreciated!

Please read the link in my signature

Thanks,
Ed
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