There are no turbo kits for the 2.8, the only option is totally custom, which will easilly cost more than a supercharger.

 

The supercharger is the only way to go with the 2.8. But i think still think ko4s and def t-28s will be faster, some. The thing about hte s/c is the torque output, only about 240, where as a tuned ko4 and t-28 put 300, but the supercharger makes more hp. Like jest said alot of factors play in. The the s/c 2.8 would be able to hold its own thats for sure.

 

could i get to be faster than a S4? how bout an EVO or STi?

 

you could get it faster than a stock S4, but a slightly modded S4 would blast any A4.

 

does a pes s/c add 295hp or just a 100 hp and 295 total hp? So if i added a 75 shot of NOS it wouyld be close to the smae gain or if i had both i could kill an evo?

 

295 total. Just say no to Nitrous.

 

Babies Use Bottles

 

so everything done (exhaust, intake (if it will help), chip, s/c) what would i have for hp? 350? Are there any other hp mods for my car? How about boring out the cylinders? how hp would that give me? What about a custom turbo?

 

it only to the crank im guessin too the wheels should be 236 to the wheels with 20% power loss and i say power loss is probly higher than that

 

Yea iirc around 230awhp for a supercharged 2.8 but I can't remember the torque. A well tuned k04 will put down 210awhp and ~260ft/lbs (300crank), a well tuned gt28rs will put down ~300awhp and a little less tq.

Basically a supercharged 2.8 will be close with a well tuned k04, but the k04 will probably have the upper hand. It won't be a match for anything larger than a k04. Not sure on an s4's numbers, but I think it would also be a close match, because I was about even with the s4 with my k04 set-up.