When you clog a suction hose on a vacumm, it must let air out to suck air in. If you add a free flowing exhaust you must also add an intake.K20A EH2 said:I recently read that the K20 does not respond well to larger diameter piping.
Any truth to this?
on a stock motor this would applyK20A EH2 said:I recently read that the K20 does not respond well to larger diameter piping.
Any truth to this?
Needing back pressure are lies but too big of a pipe affects velocity.supafly said:That's pretty amazing.... Any loss in torque????
It's hard to believe all motor running 3" thats KRAZY...
I remember people doing that with B series and it literally killed their car.
I have to go with the 2.5 b/c of my muffler.... That sux.
Shoot for 2.5 inch then ...I believe this is the oe size piping diametersupafly said:I just think running 3" pipe to the DC5 R muffler even with the valving system wont allow it to flow enough air.
Let me know ..im a ways off from dynoeing the diff between the 2non vtec said:I definately say go with the 2 1/2" it might be different on a road car, but running an almost open header set-up the 2 1/2" set-up worked better, no dyno figures yet though..
i ran a 3" with my b'series and it made a positive gain. it could be that your running itb's.. i was too.K20EG said:I was running 3 inch piping and i picked up 7 whp...no loss in the mid