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PSA: Get an Eventuri Scoop

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    PSA: Get an Eventuri Scoop

    Hey guys:

    Quick note and friendly PSA on something that shouldn’t have made a noticeable difference but has seriously changed my car for the better.

    Background: I have an Evolve airbox and everything had been working fine pre-scoop. Then, a sale popped last year on the scoop and I figured it was an cheap way to test logic (and potentially science).

    I am happy to report that, once installed, everything worked—and, more importantly, sounded—much better. I am now convinced that my Evolve box was starved for fresh air. Even with the elephant d*ck downward turn at the inlet.

    Throttle response, urgency of revs and airbox growl are all greatly improved. Simply put, it’s a great $200 mod.

    Note: I didn’t want to call attention to it so I plastidipped the scoop black. Out of sight but not out of mind.

    #2
    I've always wondered about this. Like many I have a CSL airbox and have relocated my IAT to the brake duct hose that this scoop replaces. If I replace that duct with the CF eventuri scoop, then there's nowhere sensible to relocate the IAT too, and should put it back to the stock position.

    Question is: does the benefit of the scoop outweigh the benefit of relocating the IAT?

    Comment


      #3
      Originally posted by ATB88 View Post
      I've always wondered about this. Like many I have a CSL airbox and have relocated my IAT to the brake duct hose that this scoop replaces. If I replace that duct with the CF eventuri scoop, then there's nowhere sensible to relocate the IAT too, and should put it back to the stock position.

      Question is: does the benefit of the scoop outweigh the benefit of relocating the IAT?
      Just drill a hole into the air tube.

      Comment


        #4
        Originally posted by ATB88 View Post
        I've always wondered about this. Like many I have a CSL airbox and have relocated my IAT to the brake duct hose that this scoop replaces. If I replace that duct with the CF eventuri scoop, then there's nowhere sensible to relocate the IAT too, and should put it back to the stock position.

        Question is: does the benefit of the scoop outweigh the benefit of relocating the IAT?
        My take on this is that relocating the IAT isn't really a benefit at all. IMHO You want the IAT in the stock position to get an actual reading of the temperature of air entering the throttle bodies. Appreciate that when the car is sitting still you get some heat soak, but all that does is an increased safety factor while the car is at rest, as soon as you get moving the flow of air over the sensor returns to an accurate reading. If you have the IAT elsewhere you are creating a condition where the intake temperature the DME is getting is artificially low and the DME is then making decisions off of incorrect information.
        2005 ///M3 SMG Coupe Silbergrau Metallic/CSL bucket seats
        Build Thread:
        https://nam3forum.com/forums/forum/m...e46-m3-journal

        Comment


          #5
          Originally posted by x Spades x View Post

          Just drill a hole into the air tube.
          Edit: ignore - I misunderstood the post.
          Last edited by PetrolM3; 03-28-2025, 11:50 AM.

          Comment


            #6
            I have a brand new Eventuri scoop sitting on the shelf, I'll have to test it out sometime.
            Instagram: @logicalconclusion

            Comment


              #7
              I used to run an Eventuri scoop with the cf airbox as well when I still had stock air ducting and I concur with the above. It's a great way to get cooler air into your motor, which means more power.

              Now if you run brake ducts with hoses like me, it's even easier. Just by a Y-Splitter for ~$20 and feed one hose directly into the air box. Actually, from a cost perspective it is not more expensive to buy proper brake ducting and a Y-Splitter vs the Eventuri scoop. Just means you have no more fog lights...

              Gesendet von meinem Pixel 7 mit Tapatalk


              2002 E46 M3 TiAg Coupé >> full tracktool conversion @m346gt
              2000 986 Boxster S >> ice cream getter
              Past: E46 330Ci, 944S2, 996 C4S

              Comment


                #8
                Originally posted by Altaran View Post
                I used to run an Eventuri scoop with the cf airbox as well when I still had stock air ducting and I concur with the above. It's a great way to get cooler air into your motor, which means more power.

                Now if you run brake ducts with hoses like me, it's even easier. Just by a Y-Splitter for ~$20 and feed one hose directly into the air box. Actually, from a cost perspective it is not more expensive to buy proper brake ducting and a Y-Splitter vs the Eventuri scoop. Just means you have no more fog lights...

                Gesendet von meinem Pixel 7 mit Tapatalk

                +1 to running a Y-splitter on 3" brake ducting to intake feed

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