Exhaust on Jeep 5.9

1998 JEEP GRAND CHEROKEE
173,000 MILES • V8 • 4WD • AUTOMATIC
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OLIVERCANDIDO
  • MEMBER
  • 1 POST
Wondering how much hp i would gain from upgrading my whole exhaust on my 98 jeep 5.9l, upgrading headers cat covntr etc, and how much rough estimate, and what brands to stay away from and what are some good brands. Thx for your help.
Aug 8, 2011 at 10:36 PM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
We can't recommend brands. As far as performance, you will see a small improvement, but don't expect hundreds of horsepower difference. It will be minimal. Please keep in mind, the vehicle has to meet federal standards as far as emissions.
Sep 14, 2011 at 5:11 PM
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