Originally Posted by BMRbrnSNRbrd
You are most likely going to see a significant power loss if you cut the cat off. On my '04 I thought a full 3" exhaust with no cats would be perfect...my 0-60 was up to almost 10 seconds...I thought the motor was trashed. Added a hi-flow cat and all was well and went back to normal. Your truck needs back pressure to properly produce power unless you are running some crazy 500hp motor.
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Originally Posted by ramthis9501
Damn... That is a significant loss, I've always understood that cutting a cat was better. Guess not though huh?
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Originally Posted by 916Timmy
You lose low end power and torque. The only motors that run better without cats or mufflers are turbos.
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Originally Posted by BMRbrnSNRbrd
Bingo.
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I guess I could've have explained this better, but I'm glad everyone else was able to convince you not to do this.
Actually I did explain it...elsewhere. Happy reading.
