I have heard good and bad opinions about the dc sport header. I have heard that they are constrictive and that they are the best flowing outside custom. now if they are constrictive i just heard that if you cut the collector off and weld a bigger piping it will flow better. let me know your opinoins. I have a dc sports but dont want pay for spoon or toda header and I have a b16. thanks for your info

 

Alot of people make good power with DC header and cutting off the tip and changing it to 2.5.

 

i wasn't sure if it was true or not, i think i need more info or dyno results

 

Depends on what part of the powerband your engine is tuned to. But generally, DC's 4-2-1 are regarded as the best for mid-range/top-end gains. Getting a 2.5" outlet header will sacrifice low-end and will hardly do anything for top-end unless your engine is actually moving that much air, ie. cams, supercharged. Generally.

 

well I have cams,pistons and so on

 

DC makes lots of different header's, if you want a bigger outlet buy the DC header with the 3" outlet. i have that one and it works nicely!

 

but does it wor k with all motor, I dont want to loose to much back pressure

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by evade this honda &raquo;</TD></TR><TR><TD CLASS="quote">but does it wor k with all motor, I dont want to loose to much back pressure</TD></TR></TABLE>

if its not boosted, i wouldnt go that big...
id go 2.5" tops...

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by ROK801 &raquo;</TD></TR><TR><TD CLASS="quote">

if its not boosted, i wouldnt go that big...
id go 2.5" tops...</TD></TR></TABLE>

you cant use a dc header if your boosted they obviously made the 3" outlet for N/A setups.

 

unless you are making big power 3" would be ridiculous...

2.5" will be fine.

 

I like DC sport but if you want a big collector you should get those e-bay DC style headers with a 2.5 inche collector. I put them on my b-series motor and they come in both 4-1 and 4,2,1 headers for $105 shipped. You can't go wrong with them instead of paying 3 and some change for real DC when the e-bay ones look exactly the same. ( I compared mine to my boys real DC)

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by MikeNice &raquo;</TD></TR><TR><TD CLASS="quote">I like DC sport but if you want a big collector you should get those e-bay DC style headers with a 2.5 inche collector. I put them on my b-series motor and they come in both 4-1 and 4,2,1 headers for $105 shipped. You can't go wrong with them instead of paying 3 and some change for real DC when the e-bay ones look exactly the same. ( I compared mine to my boys real DC)</TD></TR></TABLE>

It's not just the name.. it's the quality.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Jimmy &raquo;</TD></TR><TR><TD CLASS="quote">

It's not just the name.. it's the quality.</TD></TR></TABLE>



ebay headers blow welds on occasion...

 

I just want to know if I was loosin power from my header. I made 173 to the ground but I feel I think I can make more with a better header or somethin