Cat on or off??
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Junior User
Joined: Mar 2006
Posts: 50
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From: Eagle River, Alaska
Cat on or off??
So, I just got some new Hooker Headers installed today on my 93 F150 I6
I am getting ready for the magnaflow exhaust and my question is this.
Since I dont have to worry about an IM, should I leave the Cat on or take it off?
Would I get a better sounding exhaust with it on or off?
Thanks for the help!! This is my first time with a project like this.
I am getting ready for the magnaflow exhaust and my question is this.
Since I dont have to worry about an IM, should I leave the Cat on or take it off?
Would I get a better sounding exhaust with it on or off?
Thanks for the help!! This is my first time with a project like this.
Cross-Country
Joined: Jan 2006
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My 1992 I6 sounds deeper and has more power. The first thing I notice was when I was going to work the places where the auto transmission would shift out of Overdrive to pull a hill now it doesn’t shift. Gas mileage seems to be a bit better as well. Truck engine temp also runs a little cooler.
Senior User
Joined: Apr 2006
Posts: 339
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From: Savannah, GA
Originally Posted by wrenches&beers
So, everyone seems to agree losing the cat is a +.
W/o adding headers, in Ohio area w/o ECheck (I shudder at the word), would it be a power improvement then to remove my cat?
'93 F150 2wd 5spd
W/o adding headers, in Ohio area w/o ECheck (I shudder at the word), would it be a power improvement then to remove my cat?
'93 F150 2wd 5spd
I don't know that you'll notice a significant power improvement but you'll get much better air flow without the cat.
Cross-Country
Joined: Jan 2006
Posts: 91
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On my 1992 4.9 SIX after taking the cats of and adding true duals with Cala. turbos my MPG increased from 15 to 17 mpg. There was a small increase in power. (I don't notice the tranney downshifting has much) I love the deep tone around 2,500 RPM. I't does not sound like a rice rocket or tracter. It is not a V8 sound it is a different sound that is what I like about it it dosent sound like all the ford 302 or the Chevy 350. These sounds are all too common. Th I6 sound is One of a kind!
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