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- - think my cat just blow up and is now blocking exhaust (http://www.wrxtuners.com/forums/f75/think-my-cat-just-blow-up-now-blocking-exhaust-27666/)
think my cat just blow up and is now blocking exhaust
after a hard 3rd gear pull up a hill i notice something wasn't right. car seemed very laggy like no boost, looked down at the gauge and it only showed about 3-4psi. got out of the when i got home and could hear a rattleing from about the middle of the car where the DP meets the stock midpipe. drove it a little more and had a huge boostspike 18-19psi!! then the clutch started to slip!! when i had the boostspike the car spooled up faster then ever before. help thanks
Sounds more like a wastegate issue... If your cat blew then it's probably in small pieces that wouldn't block the pipe. Also, I would believe increased back pressure from a blocked exhaust would keep the turbo from spooling all the way, not overboosting.
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