stock airbox is the best option.

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  • Doughnut
    E30 Modder
    • Oct 2007
    • 869
    #16
    Originally posted by VinniE30
    Wow you can really beat a stock sti with an m30 e30? Impressive. What's your setup? mods? weight?
    A cone filter is all you need...
    ///Monstrosity. (OO≡≡[][]≡≡OO)

    Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.

      Comment

      • jim325
        Wrencher
        • Sep 2010
        • 228
        #17
        I just put a cone filter on my car... I gotta find that STI ur talking about
        89 325i: 86 535i motor+trans, JE forged pistons, MLS head gasket, ARP head studs, Comp turbo, GoodNTight b34 turbo manifold, e30.de motor mounts, AKG 75D engine/trans mounts, custom 3" exhaust, intercooler, MS2PNP, Megan Racing Coilovers.

          Comment

          • LowR3V'in
            R3V Elite
            • Feb 2004
            • 4209
            #18
            Same here.
            I put on a new cone filter and WOW.
            maybe my old one was really dirty but I beat an sti today.

            Faster then no filter at all. Kinda crazy.
            Last edited by LowR3V'in; 08-22-2011, 07:35 PM.

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              • VinniE30
                R3VLimited
                • May 2010
                • 2113
                #19
                What are you talking about?
                Are you saying you noticed more power with a cone filter vs stock air box??
                I'm not sure whos being serious in this thread and whos not?

                But i doubt a m30 swap with stock engine could pull on an sti. It has almost 100hp on an m30. The e30 sure doesn't weigh 1000lbs less.
                Zinno '89 <24v swap in progress>

                  Comment

                  • LowR3V'in
                    R3V Elite
                    • Feb 2004
                    • 4209
                    #20
                    I was joking, but honestly not sure if doughnut is
                    but rrrreeeeeeaaaaaally hope so or he's going on ignore lol. :)

                      Comment

                      • Lurker27
                        E30 Modder
                        • Jul 2007
                        • 821
                        #21
                        Originally posted by VinniE30
                        What are you talking about?
                        Are you saying you noticed more power with a cone filter vs stock air box??
                        I'm not sure whos being serious in this thread and whos not?

                        But i doubt a m30 swap with stock engine could pull on an sti. It has almost 100hp on an m30. The e30 sure doesn't weigh 1000lbs less.
                        It's really more like 70hp, and a quick googlin' suggests an STi is like 3400lbs. I don't see it being that much of a mismatch to be honest


                        best to turbo the m30 to be safe though
                        '89 335is +turbo

                          Comment

                          • e30trooper
                            R3V OG
                            • Mar 2009
                            • 11576
                            #22
                            short ram filters sound nice , and how does it not flow as well?

                              Comment

                              • Doughnut
                                E30 Modder
                                • Oct 2007
                                • 869
                                #23
                                I'm not serious, I detest cone filters.

                                However I actually do have one on my car ATM, I couldn't make the stock airbox fit with my engine position and A/C lines.

                                My setup:


                                Ps. I haven't raced an STi, I don't street race.

                                STi > e30 m30b35 anyway.
                                ///Monstrosity. (OO≡≡[][]≡≡OO)

                                Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.

                                  Comment

                                  • Bearmw
                                    E30 Fanatic
                                    • Aug 2010
                                    • 1323
                                    #24
                                    Hey Doughnut I would like to see more details of your setup.
                                    Never argue with stupid people, they will drag you down to their level and beat you with experience. -Mark Twain

                                      Comment

                                      • Doughnut
                                        E30 Modder
                                        • Oct 2007
                                        • 869
                                        #25
                                        Originally posted by Bearmw
                                        Hey Doughnut I would like to see more details of your setup.
                                        It's just your basic run of the mill m30 swap really.

                                        With a fancy racer boi style air intake system haha.
                                        ///Monstrosity. (OO≡≡[][]≡≡OO)

                                        Aside from showing yourself to be offensive, lacking experience and ignorant in the ways of business, you're also illiterate and imprudent. Beyond that, your sense of liability is severely impaired.

                                          Comment

                                          • castros
                                            E30 Modder
                                            • May 2010
                                            • 828
                                            #26
                                            Originally posted by Doughnut
                                            I'm not serious, I detest cone filters.

                                            However I actually do have one on my car ATM, I couldn't make the stock airbox fit with my engine position and A/C lines.

                                            My setup:


                                            Ps. I haven't raced an STi, I don't street race.

                                            Very nice work on that box, I dig it.






                                            STi > e30 m30b35 anyway.
                                            www.CASTROMOTORSPORT.com

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                                            North Hollywood, CA 91605
                                            818-765-3606

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