Originally Posted by chadgtr
3) My engine is completly stock so does adding any kind of "performance" muffler do anything for actuall performance?
Thanks for any help and advice.
Not really, not unless you do an intake. You want to help the engine breathe and exhaust more efficiently for any performance gains.
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98 ZJ Laredo SE 4.0, 2" Skyjacker BB, JKS Quicker Discos, Goodyear Wrangler MT/Rs, K&N FIPK, Kolak cat & back exhaust, Westin Safari bar, KC lights