diff of 895 (?) or so cash. Yea there is a difference. My 1le didnt have it. so i ended up going borla atak. Not sure how mine compares in real world comparision but my car does rumble allot better.
I would say, if your going to buy a ss get npp.
"The fact the GT500 can barely beat a $37k car with 200 less horsepower speaks volumes. There are about a million mods you can do to a LS3 to make a Camaro do the 1/4 faster then a GT500." (Vroom.)
Updated w/ Willow Springs:
1. Nissan GTR Track Pack 1:19.6 2. Ducati 1198 S 1:19.7 3. Nissan GTR 1:20.3 4. Corvette Z06 1:20.4
5. Audi R8 V10 Plus 1:22.0 6. Ferrari 458 Italia 1:22.3
7. CAMARO SS 1LE 1:22.7
8. Shelby GT 500 1:23.5
9. Mustang Gt Track Pack 1:25.8