i just had my high flows installed and i hear a noise coming from one already and it comes out the exhaust pipe as well......it sounds like an exhaut leak but it is coming from the cat itself....does this sound like a blown cat or is it something in in my engine making the noise? The truk still runs like a raped ape so any ideas?
so one of my highf lows blew out i think
- Thread starter Parkin Lot Pmpn
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