1991 325I SE Scorpion exhaust HP gains

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  1. 1991 325I SE Scorpion exhaust HP gains 
    #1
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    Danny0432's Car Details
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    Just as title says, what are the power gains for these exhausts? Are they worth it? Oh and how good do the systems sound (a video would be good)
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    gap141070's Car Details
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    hey danny...scorpion certainely do have a good reputation tho with an exhaust alone you wouldnt be lookin at any decent increase in power..best done in conjunction with a re-map...top quality closed box induction kit....then mabye lookin at anythin betweeen 12-25 bhp tops..also depends on how good your engine is..try you tube for scorpion exhaust sounds..good luck mate
     
     

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    Danny0432 (11-07-2009)

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    Quote Originally Posted by gap141070 View Post
    hey danny...scorpion certainely do have a good reputation tho with an exhaust alone you wouldnt be lookin at any decent increase in power..best done in conjunction with a re-map...top quality closed box induction kit....then mabye lookin at anythin betweeen 12-25 bhp tops..also depends on how good your engine is..try you tube for scorpion exhaust sounds..good luck mate
    Thanks ,got an ECU chip and doing a heatshield and "ram air tube" to a K&N filter so think I will possibly go for it.
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    the re-map and heat shield is a very good idea danny...tho ive heard that k&n filters can be overly oiled and play havoc with the maf..pipercross and bmc are filters that have been recommended in performance bmw mgazine and i know a few off the lads on here use dave f kits..think they re about £150 an cum with a heatshield fitted...im sure a20 rym has one and i know for defo steve2002 has one,,,the bmc is superb tho you need too modify your own intake hose if thers no space in your bay..they retail approx£180 but are carbon airbox covered so no need for a heatshield...i gave up and stuck with my stock filter..tho when funds allow this will change..mabye gruppe m...google induction kits andsee wot suits
     
     

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    Nomad's Car Details
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    E36 328i SE
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    1996
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    Quote Originally Posted by Danny0432 View Post
    .... how good do the systems sound
    Had a Scorpion on an E36 325, also on a 328. Nice sound but a lot louder than standard at medium revs or above (not a bad thing )
    Loud droning noise on long trips at cruising speed with back seat down - just turn the cd up
     
     

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    318i's Car Details
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    Quote Originally Posted by Danny0432 View Post
    Thanks ,got an ECU chip and doing a heatshield and "ram air tube" to a K&N filter so think I will possibly go for it.
    what chip are you putting in and where did you get it from/price?
     
     

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