Exhaust on Jeep 5.9

Tiny
OLIVERCANDIDO
  • MEMBER
  • 1998 JEEP GRAND CHEROKEE
  • V8
  • 4WD
  • AUTOMATIC
  • 173,000 MILES
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.
Tuesday, August 9th, 2011 AT 5:36 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 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.
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Thursday, September 15th, 2011 AT 12:11 AM

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