328 tuning!

I have a 328 gts from -87 and it´s a euro version. I would like to have some more Ferrari sound, so i planned on building a new exhaust system. I allredy have stainless steel headers. Have some one built your own system. They cost a lot if i must buy one. I have found short mufflers that i can put direct on the headers. But do i get the right sound?
Have any one tuned up there engines on a 328? Like new cams and ported cylinder heads and so on? My goal is about 320 hp, 100 hp per litre. Can i do that without getting a big hole in my bank account?
I read about bore the trottle body to 70 mm and new air filter. But after that!
How much horse power do you have in your cars?
I dont want to have turbo charging on the engine.....for the moment anyway.

More soud= more fun

Stefan

 

Stefan,
There are a dozen or more threads on performance mods/tuning,
everything from K&E filters to porting to supercharging.
Your 320 hp goal is at, or maybe slightly past the limit that can be achieved w/o going to forced induction(super or turbocharging).

As to mufflers, again search the archives, A couple of people have adapted Flow-Master dual pipe mufflers to 3x8s. Some good photos & comments on how they sound.

Then there are those who have made up an exhaust system out of 'cherry bomb's ie: glass packs, or gutted catalytic converters.

Have at it.

 

There is no Euro spec.

It could be a Swiss car (Euro but same as US) or a uk car, or an italian car or a german, french, spanish or portugese car.....they're all different!

UK has the best engine and least "crap" hanging off it, but they're RH drive.

As Jerry Maguire screamed to his footballing star "HELP ME HELP YOU!"