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458 458 test pipes installation question

Discussion in '458 Italia/488/F8' started by FerrariCognoscenti, Jan 25, 2022.

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  1. FerrariCognoscenti

    FerrariCognoscenti Formula 3

    Jan 19, 2021
    2,429
    East Coast
    #1 FerrariCognoscenti, Jan 25, 2022
    Can test pipes be installed to replace the cats without having to remove the bumper or go under the car? Does anyone have any instructions on any aftermarket cats or test pipes they could post?


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  2. jc1

    jc1 Formula Junior

    Feb 9, 2021
    282
    Greenville, SC
    Full Name:
    Joey (2012 458 Spider)
    #2 jc1, Jan 25, 2022
  3. FerrariCognoscenti

    FerrariCognoscenti Formula 3

    Jan 19, 2021
    2,429
    East Coast
    #3 FerrariCognoscenti, Jan 27, 2022
    Hahaha too funny.


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  4. Calidownhiller

    Calidownhiller Rookie

    Oct 16, 2013
    4
    Bay Area
    #4 Calidownhiller, Jan 29, 2022
    It is possible to do with the bumper still on. You will have to remove the rear diffuser to get to the 2 clamps on the the muffler end. You can get to the o2 sensors that way too (but its tight), or through the fender liners. Then you remove the v-band clamps on the header side. You will also need to remove both side exhaust bushings, as well as their brackets (a few 13mm bolts) along with the cat heat shields. Once you've done all this, you can remove the stock pipes from the top. I've done it a few times. The trickiest part is getting the large stock cat's past the passenger side because of the coolant expansion tank (you'll have to tweak the heat shielding as well). You could remove the MAF's to make it easier room-wise, but its not necessary.

    Good luck!
     

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