Alright, my plans are as follows.....
magnaflow cat,
obx muffler
2.5' or 2.25' piping
new header & dp


NOW...heres where you come in,
has anyone with custom 2.5 in piping experienced any losses of torque?
and also,which header and dp combo would give me the MOST & BEST performance,
remember, i have a cat already. i am in the 400 ballpark, really want the best from my car.

 

my mods are:
OBX header
2.25"dp
megan racing drift spec exhaust(2.5")

i love it, car sounds great, runs great, and i make 137trq, and 124hp, now this is peak, my over all increased a good 3-5 thru out the whole power band from last time(full lsj exhaust)

 

i will dyno in a week or so and let you know how my hp/tq are... mods in vbgarage

 

look forward to seeing those number

 

yeah,
me too, also where did u get ur obx header, how much?

 

ebay is the only place to find them, pics in my gallery, i got mine for 195+shipping, great buy, way better in looks than the pacesetter, stainless steel ftw

 

lol power loss........ Just take a look at my numbers and set up and you tell me if i lost any HP or Tq

 

yea,
but ur s/c,
2.2s suck.....what about injectors??
would that give me more power,

 

Bigger injectors, bigger exhaust means you need to do a couple things - get the 2.4L intake swap to complete your free-er flowing exhaust with a free-er flowing intake. If you have these three mods (or just the exhaust and injectors), you'll see a gain in horsepower but a kind of small gain in tq.

To take advantage of your new exhaust and bigger injectors and the 2.4L intake (if you get it) you need to get tuned to take advantage of the more air you can take in and put out. Then you'll see a good increase in both horsepower and torque. To maximize your bigger exhaust and intake, you should get cams AND get tuned...that'll give you the max increase in both hp and tq for the mods

*****NOTE: If you get bigger injectors, you HAVE to get tuned, there is no way around that fact.

 

This is true but there is NO NEED for bigger injectors UNLESS you go higher compression pistons or F/I.

With just bolt ons to a stock motor you'll NEVER need bigger injectors.

Save your money

 

Yeah fully bolted and tune won't put you too far past the 2.4L engine.

As for piping at most 2.5 for a N/A car and our HP range.

 

Well, since the tick mark that you used is the one that denotes feet, not inches, I'm completely against it. There will be way too much airflow. Your car will essentially be a giant hair dryer.

 

smart ass,
its peanut butter jelly time!

 

hahaha... it was a slow morning here at work...lol

 

When I saw "help me oot" in the title I woulda swore you were from Canada

 

AAAAAAAAAAAAAAAAAAAAAAAh HAHAHAHAHA!

Now that's some funny ass ****...lol.

Canadian accents FTMFW!

 

haha not all of us talk like that

 

I have a 2.2L auto... I have a zzp midlength header with a 2.5 downpipe, and megan racing drift spec exhaust (2.5") I dynod 132 whp 128 tq... remember im an auto so thats one problem... two i had a bad cat.. so thats gunna hurt alittle too... but a 2.5" exhaust is just fine for the 2.2L


Oh and I think EVERYONE would be against 2.5 feet (') piping instead of 2.5 inches (")