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  1. #1
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    Fabspeed releases N54 downpipes - $695

    Fabspeed has released their downpipes for the 135i and 335i N54 based vehicles. These downpipes eliminate the primary cats. The diameter of the pipes is 2.75 inches. Gains are about 25 whp with these pipes, 02 simulator included for no check engine lights.

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    Dyno:

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    Vid:

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    These look nice, you know the price?
    JB4LIFE

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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    These look nice, you know the price?
    Did you consider reading the title?
    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale: http://www.boostaddict.com/showthrea...r-kit-for-sale

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    Only thing I didn't read Click here to enlarge
    JB4LIFE

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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    Only thing I didn't read Click here to enlarge
    No worries.
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    Looks like they grind the welds, can anyone confirm?
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    Wonder why they chose 2.75" over the popular 3" idea. Maybe it causes less turbulence off the face of the turbine? What is the stock turbo exhaust outlet diameter?

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    It's easier to package 2 x 2.75" pipes than 2 x 3" pipes. I dont blame them either.

    The power gains going from 2.75 to 3 are minimal on a street car anyway. They look pretty good.

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    Click here to enlarge Originally Posted by DBFIU Click here to enlarge
    It's easier to package 2 x 2.75" pipes than 2 x 3" pipes. I dont blame them either.

    The power gains going from 2.75 to 3 are minimal on a street car anyway. They look pretty good.
    Yeah they are both necking down to 2.5" anyway. I know that supposedly someone with 3" gained 7-15whp over 2.5" pipes with FBO at 15ish psi. I think they were vs Race Land's or one of the crappier ones though with bad cuts/welds thogh.

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    I wish there was more we could do for the high-end torque drop. Click here to enlarge

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    Click here to enlarge Originally Posted by SlicktopTTZ Click here to enlarge
    I wish there was more we could do for the high-end torque drop. Click here to enlarge
    Heads + Cams + Turbos
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Heads + Cams + Turbos
    Well PAW Motorsport has the headwork covered. No one is using it yet though, that I know of.

    I heard N53 cams may work and increase top end torque, they were for the non-valvetronic 3.0L NA I6 that makes 272HP. Anyone else have details?

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    I need to get rid of my raceland dp's.. Anyone know someone selling ar dp's for cheap?
    JB4LIFE

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    Sal had been telling me about these (that is his car) and from his info they fit superb.

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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    I need to get rid of my raceland dp's.. Anyone know someone selling ar dp's for cheap?
    What is wrong with the raceland dp's?
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    there hitting my sub frame..very annoying, i need to get under there and adjust them... ar dp's fit so perfect from what i here
    JB4LIFE

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    Click here to enlarge Originally Posted by mazdaspeed6 Click here to enlarge
    there hitting my sub frame..very annoying, i need to get under there and adjust them... ar dp's fit so perfect from what i here
    Indeed Click here to enlarge
    Click here to enlarge
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