New Mexico Roll Call.
#8366
Member
Join Date: Jan 2013
Location: Albuquerque, NM
Posts: 231
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Year: 1998
Model: Cherokee
Engine: 4.0 I6
I also recently installed a air intake, hi-flow cat, and magnaflow muffler. Cat and muffler and 2.5in.
#8367
Member
Join Date: Jan 2013
Location: Albuquerque, NM
Posts: 231
Likes: 0
Received 0 Likes
on
0 Posts
Year: 1998
Model: Cherokee
Engine: 4.0 I6
I heard its a hit and miss with them cracking. New motor mounts and a flex joint in the downpipe is suppose to help.
This is what I put on my jeep. The welds ae really good both inside and out and it a good design. 6 2 1 Racing Header Manifold Exhaust Jeep Wrangler Cherokee 4 0L YJ TJ XJ Black | eBay
My buddy this one on his wrangler. Use the offer button get for less.
6 2 1 Racing Header Manifold Exhaust Jeep Wrangler Cherokee 4 0L YJ TJ XJ Black | eBay
My buddy this one on his wrangler. Use the offer button get for less.
6 2 1 Racing Header Manifold Exhaust Jeep Wrangler Cherokee 4 0L YJ TJ XJ Black | eBay
#8368
CF Veteran
Join Date: Sep 2011
Location: new mexico
Posts: 1,874
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Year: 88
Engine: 4.0
It still looks and sounds the same. I remember looking at a XJ with a really bad crack and sounded like a tractor. My speedo is about 3% off according to my GPS. When i was on 235's i was averaging mid 16's mpg. Now I'm getting mid 13's. I also have a rola roof rack on top. Crap looking back at my Fuel Logger App, I was getting about 14-15 mpg before the roof rack install.
I also recently installed a air intake, hi-flow cat, and magnaflow muffler. Cat and muffler and 2.5in.
Tune up possibly? An O2 sensor would do that too but would throw a code. Dirty injectors or fuel filter? Nothin else I can think of stands out.
#8370
CF Veteran
Join Date: Sep 2011
Location: new mexico
Posts: 1,874
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Year: 88
Engine: 4.0
Its because you slam on the gas and then on the brake gas brake gas brake. And you didn't change your speedo gear when you get to a bigger tire either. And plus you never ever ever ever will replace your cat and muffler, its like alan with his tires.