Was this a good choice?
08-07-2009, 03:54 PM
#1
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Location: Appleton Wisconsin
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Year: 1997
Model: Cherokee
Engine: 4.0
Was this a good choice?
Well the jeep I was going to buy sold about an hour before i got there. So I decided to go buy some stuff for my old one. Rustys had a special so I went out and bought it. Heres what I got
Flowmaster 40
Rustys air tube
6"/9" KN filter
2.5 inch tail pipe
all for $270 including shipping
So am I looking at a good increase in performance and fuel economy? The rig
(1995 xj 4.0) currently has a walker muffler with 6-7 holes punched in it that old owner put in and a 2.25 tail pipe. I also am going to clean out the cat because theres a piece of something rattling in it. any opinions has anyone done something like this?
Flowmaster 40
Rustys air tube
6"/9" KN filter
2.5 inch tail pipe
all for $270 including shipping
So am I looking at a good increase in performance and fuel economy? The rig
(1995 xj 4.0) currently has a walker muffler with 6-7 holes punched in it that old owner put in and a 2.25 tail pipe. I also am going to clean out the cat because theres a piece of something rattling in it. any opinions has anyone done something like this?
08-07-2009, 04:11 PM
#2
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Location: Chico,ca
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Year: 89
Model: Cherokee
Engine: 4.0
anything you can do to increase airflow will help increase hp and mpg,the rattle in your cat is the brick coming apart. You will not find anyone giving you advise on here other than replace it,i know there are states without emisions but it is still not leagal to run without it. or clean it out.
Last edited by Abovetimberline; 08-07-2009 at 04:21 PM.
08-07-2009, 09:18 PM
#4
CF Veteran
Summit Racing has high flow cats for around $90. I have been running one and it passed smog beautifully.
08-08-2009, 12:19 AM
#6
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Year: 1997
Model: Cherokee
Engine: 4.0
yep i'll just pick one up my friend said he will give me a good deal on a cat. my state doesn't require a smog test but I still want to remain legal. Does anyone know the general increase in hp and mpg for any of those products??
Last edited by kitsapfreerider; 08-08-2009 at 12:22 AM.
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