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XJ Ask the Question Thread
CF Veteran
Joined: Feb 2011
Posts: 2,763
Likes: 0
From: Apple Valley, MN
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0L
Originally Posted by Outlaw Star
Are we talking glass pack, Turbo, pro or extreme? They make different ones so its all about which one you want. Check out Cherrybomb.com
CF Veteran
Joined: Feb 2011
Posts: 2,763
Likes: 0
From: Apple Valley, MN
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0L
Originally Posted by Outlaw Star
I've got the pro just need to put it on. Picked it up at pep boys for 56 bucks. Cheaper than the flowmaster at 80 bucks.
CF Veteran
Joined: Nov 2010
Posts: 15,581
Likes: 8
From: some small town oregon
Year: 1989
Model: Cherokee
Engine: 4.0
CF Veteran
Joined: Sep 2010
Posts: 12,692
Likes: 6
From: Mercer County, NJ
Year: 2001
Model: Cherokee
Engine: 4.0L I6 HO
i just changed my plugs on my 01 and getting a lil less than 16 mixed city and highway w/ traffic. i think i need to change my map and my o2s fast cause shes got more power now but having new plugs and dirty everything else is like have new bullets in a carbon filled gun. It just dont work.
☠ CF Sheriff ☠

Joined: Nov 2009
Posts: 15,197
Likes: 18
From: Aberdeen, MD
Year: 1995
Model: Cherokee
Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts
CF Veteran
Joined: Feb 2011
Posts: 2,763
Likes: 0
From: Apple Valley, MN
Year: 1999
Model: Cherokee (XJ)
Engine: 4.0L
Originally Posted by dukie564
gosh your MPGs SUCK. I get 19mpg with 235/75 M/T tires, a trimmed front facia, and a crazy heavy foot






