Tuning exhaust pipes???

[samet]

hi everyone i have 98 palio 1.6 16v i had abarth 4-2-1 headers and i used 51mm pipes and free flow mid at the end of i used supersprint 51 mm exhauts but as 5000 rpm so weak what can i do for more performance is anybody give any suggestion for pipes?45mm 48 mm? which one best for me thanx..

 

[samet]

anybody can help me?

 

[Peter Pick-Up]

Hard to tell from a distance what diameter is the best for your car.
You just have to try.
Best thing for more power is to have your ECU chipped, if you ask me.

 

[samet]

i have fine tune with safc-2 so i don't need remap ... palio want to backpressure i have freeflow pipes in my opinion 51mm big for palio i am trying more big mid for backpressure?

 

[Peter Pick-Up]

Try it and you know it....!

 

[samet]

may be somebody can help me i dont want to try ı just want to learn whichoneis best size for fiat palio 1.6