system exhaust

New Member Posts : 8 Reputation : 0 Join date : 2012-04-13

if we put in blacktop 83mm size piston engine, exhaust system must be noted also,, so what is the size of the required exhaust piping,, the norm of what you all use?

Subject: Re: system exhaust Thu Aug 09, 2012 5:55 am

i would go for about 2.5" exhaust system to match the 4age blacktop engine

New Member Posts : 8 Reputation : 0 Join date : 2012-04-13

how is that 2.3? 5zigen?

Subject: Re: system exhaust Thu Aug 09, 2012 6:29 am

The 5zigen will probably be 2.25", it will be ok for the 4age

New Member Posts : 8 Reputation : 0 Join date : 2012-04-13

thanks,, hope others can help me Very Happy

Subject: Re: system exhaust Thu Aug 09, 2012 8:03 pm

2.25 will be fine for a standard BT 4age, once you start to mod the engine then move up to the 2.5, anything bigger then that on an NA engine will work in reverse and lose power

New Member Posts : 8 Reputation : 0 Join date : 2012-04-13

ok thanks,, so how about if the costum piping apexi n1 muffler 2.3 using? result?

Subject: Re: system exhaust Sat Aug 11, 2012 9:20 pm

Do you mean the piping is all 2.3??
That will be fine

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