whats is the premium exhaust setup on the f20c?
05-03-2011, 10:07 AM
#1
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whats is the premium exhaust setup on the f20c?
am wanting to know the best possible exhaust setup for the engine in your opinions. i am installing an f20c in a kit car and want to run a side exit exhaust. so
1; i have a 70mm collector so should i run a 70mm straight through setup with small center silencer and tail pipe
2; should i reduce it to 2 1/2" as i have a buddyclub spec 4 tail pipe ( i dont have room for the buddyclub centre silencer as well)
3;should i run a 1 in - 2 out center silencer with 70mm in and 2x 2 1/2" outputs with 2x tailpipes, possibly motorbike ones
4;in the future im considering fitting a supercharger if this makes a difference now?
it would be financially better if you all said i should use the 2 1/2" b/c spec 4 tail pipe with a smaller sraight through 2 1/2" center box. but i doubt thats what will happen. lol. thanks
1; i have a 70mm collector so should i run a 70mm straight through setup with small center silencer and tail pipe
2; should i reduce it to 2 1/2" as i have a buddyclub spec 4 tail pipe ( i dont have room for the buddyclub centre silencer as well)
3;should i run a 1 in - 2 out center silencer with 70mm in and 2x 2 1/2" outputs with 2x tailpipes, possibly motorbike ones
4;in the future im considering fitting a supercharger if this makes a difference now?
it would be financially better if you all said i should use the 2 1/2" b/c spec 4 tail pipe with a smaller sraight through 2 1/2" center box. but i doubt thats what will happen. lol. thanks
05-04-2011, 01:01 AM
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Bowing to the expert view here
- would a later modification such as the supercharger mentioned above ultimately require a different exhaust? I noted on another thread that a staged reduction in diameter appears to suit the SC better?
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05-04-2011, 04:13 AM
#9
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I moved it here, as I didn't know if it had already been moved 
All the S2000 engine people will see it here, so was trying to help get a wider audience.
Hammy, I think you would be ok with 3" or 70mm upto pretty big bhp numbers, on a 2 litre engine. his is just from experience rather than any calculation though. I know a lot of the Evo guys don't go much bigger than 3" until way over 450 bhp.
All the S2000 engine people will see it here, so was trying to help get a wider audience.Hammy, I think you would be ok with 3" or 70mm upto pretty big bhp numbers, on a 2 litre engine. his is just from experience rather than any calculation though. I know a lot of the Evo guys don't go much bigger than 3" until way over 450 bhp.