Originally Posted by SS_Firehawk

Did someone give the OP a magic ball that will tell him exact hp's he will get with parts? 1+1 does not equal 2 in the mod world. Some mods don't increase power but makes your car faster. 2 piece rotors, light weight forged alloy rims, flywheel, pulley's, they all make power the same way... A diff will put power down better on any road, straight or curved. An M370 intake manifold will not give you a pretty hp number, it doesn't make more than stock. It makes more power under the curve. Stop focusing on a pretty number and focus on the delta. It's the only number that will speak the truth, not some random dyno a manufacturer posted. Shoot for 50whp over your baseline if your looking for a realistic number. If you don't understand, there is a wealth of information on the forums and on the Google...