Clogged/Bad Cat Converter + Performance
08-09-2013, 06:27 AM
#2
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Since removing the cats usually gains horsepower, I'd say yes, a "damaged" cat could definitely hurt performance. Although, I don't know how it would get "clogged".
08-10-2013, 01:59 PM
#6
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Do you hear anything rattling under the car?
08-12-2013, 10:14 AM
#7
Had a cat fall apart and clog on my truck years ago, YES it will definately affect performance, as in KILLS IT. The first sign was rattling in the cat, then a quieter exhaust noise, then before long power goes away drastically. As I was driving my truck to the dealer to have the cat replaced, it could barely go 15 MPH and get up the incline into the parking lot.
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08-13-2013, 02:21 AM
#8
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Good Lord YES!!!! Im always hearing a rattling noise from under the car....even from the inside of the car. I was always thinking it was my exhaust rubbing against something.......My Hooker headers will be here friday.
