dElSleepiE

hi, i have a b20bvtec in my del sol ..

aem cai
aem fuel rail
b&m fuel pres. reg.
b16a3 head(ported,3 angle valve job,itr valvesprings and retainers,supertech ss valves,(upgraded to 34m on intake side),ctr cams,skunk2 cam gears.
jdm b20b block(stock pistons and rods,kms aluminum blockgaurd)
dc 4-1 ceramic header
straight pipe
skunk 2 intake manifold
iridium pluggs

thats my setup.

my question was. in choosing a full piping exhaust. what size of piping should i run. i dont want it to lose backpressure. please help me out!! im soon to be purchasing a muffler and getting piping custom done with mandrel bends at a muffler shop..

thanks!

IWearMyKswiss

no less than 2 and a quarter,..and no more than 2 and a half

whoDAT

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by WiDeBoDyEK &raquo;</TD></TR><TR><TD CLASS="quote">no less than 2 and a quarter,..and no more than 2 and a half </TD></TR></TABLE>

agreed.

dElSleepiE

well ill only be reving to about 7500-7800k.. so 2.25 should be fine then

LSVTECoupe

i'd go 2.5

dElSleepiE

even with a a straight threw muffler? im just trying to get the best bang for the buck. cuz its not gonna cost more or less for the sizes at the muffler shop. im just looking for best hp gains.

Propulsion

go for 2.5, you've got a big motor