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i need a header for my 318i

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    #61
    right on. I was more curious about the top speed performance header that crazyman had. I liked the 4-2-1 setup and was gonna email them about primary/secondary sizes if it performed alright after modification. The 1.5" header TEP sells seems to big for the size/power of this motor.

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      #62
      I wouldn't waste money or effort on a header for the M10. You can get equal if not better HP/TQ gains from porting the stock exhaust manifold at the head and exhaust connection.
      Need a Turbo manifold? We have them in stock- Click here---> http://rapidspoolindustries.com/
      ____________________________
      E-mail Panayiotisx2@gmail.com
      Dyno vid http://www.youtube.com/watch?v=C7aM7..._order&list=UL

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        #63
        Wow, do you have any pictures, examples, or more info on porting the stock manifold?

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          #64
          Hello peoples, sorry about how long its been I've been moving and just got the internet setup finally at my new place. The reason why I had to modify the header is cus of the 4-2-1 setup, and cus of the long tube design. I tried porting the factory manifold and all I got was a change on the exhaust note, didn't notice any gain even at wot. The header works and performs fantastic, also made the car quieter as well (imop that really sucks) really good power gains. Not so good at top end cus of the smaller primaries and collector. But this header is for bottom to mid gains, so it works good for me, cus unlike most headers when I put on coil overs I won't be bottoming out my car on the header. If people like I can get measurements of the primaries and collector if people want. I will post pics of the finished setup when I get my computer back up and running again.
          sigpic
          85 swartz/metallic 325E
          84 alpine 325E
          85 zinnoberot 318i/R.I.P
          84 Bronzit 318i/sold
          purchase feed back here=http://www.r3vlimited.com/board/show...82#post3535282

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            #65
            yah, if you couldpost up some info, that'd be great. What did you do to port the factory manifold? Was it just a gasket match? How far in did you go?

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              #66
              factory manifolds suk!! i have been running m10's (on 75 2002 and 84 e30) since 1986 and headers and less restrictive intakes make a huge difference on these lil motors....trust is best bang for your buck to get a tight non leaking system on you car asap!
              bimmerboltsandparts.com

              bring back the neeked broads!!!
              sigpic

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                #67
                Are you talking about the company "trust" ? I thought they did japanese stuff.

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