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turbo spooling

  1. 06 F350 Turbo Spooling Up??? Please Help!!

    6.0L Problems Forum
    I have an 06 Ford F350 DRW with the 6.0. I recently had both my muffler and cat cut off and straight pipe put in it's place. About 4 days after having that done I was driving down the highway and my turbo spooled up to about 30psi and when it did this it felt like the truck was bogging down...