what does a after market hi flow cat really do for a truck. help with emissions make i tlouder or cleaner? any info.? anyone got one
hi flow cat
- Thread starter FordRambler
- Start date
- Joined
- Jul 1, 2009
- Messages
- 105
- Points
- 3,101
- Vehicle Year
- 2004
- Engine
- 3.0 V6
- Transmission
- Automatic
As the name implies, the hi-flow cats are supposed
to be less restrictive. I doubt if they would help
enough to make a change worthwhile, if your stock
cat is still good.......
to be less restrictive. I doubt if they would help
enough to make a change worthwhile, if your stock
cat is still good.......
- Joined
- Feb 25, 2008
- Messages
- 694
- Points
- 3,101
- Vehicle Year
- 1997 , 1992
- Transmission
- Manual
they just make the truck louder. i didnt want to buy a brand new stock replacement cat for my project ranger, so i got a magnaflow hi-flow cat an magnaflow muffler an it super loud now, sounds nice but loud. so just be ready that it makes it louder with likely no performance inprovement.
Thanks guys. i seem to get dogged on sometimes for talking about taking stock parts off my truck for after market, especially exhaust, but i gonna consider a after market cat
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