skirkland1980

iTrader: (2)

i've been driving my 84 z28 around for a while with open shortys and i can feel a lack of torque with no back pressure. i finally have the funds to start on my exhaust system. the engine is around 400hp at flywheel. i'm picking up these headers this weekend http://www.summitracing.com/parts/HED-68460/ . i've been reading some threads on duals, single 3", 4" etc...i know i want a single pipe system because of lack of time and money and i'm fabing myself. so is a 3" single system ok for street-strip or should i go 3.5" or 4"? i have dual 2.5" on my s10 and it has amazing torque but its maybe 300hp at the flywheel. thanks guys!!

madbomber824

iTrader: (2)

ur best bet is probably a magnaflow or flowmaster kit. Both easy to install and not too expensive. Magnaflow will flow better and is stainless steel which will pretty much outlast the car. If u want a louder exhaust, u will want to choose flowmaster. And if ur making ur own, 3" pipe is good for that setup.

For flow wise on ur motor, it won't really matter which one u chose. Both are 3". Just how they bent the tubing and mufflers are different. If you are thinking about putting a more aggresive motor in ur car in the future, i would consider magnaflow over flowmaster.

i am running a magnaflow kit on my car and i love it. Sounds great at WOT.
For how much time u put into fabing it urself, it would be a lot easier to do a kit. And time is money.....Took maybe 2 hours to install and should last as long as the car does.

I guess just do what u would like. i like the kits but if u can make an exhaust system make sure post some pics and sound clips

madbomber824

iTrader: (2)

what do you have in mind for a y-pipe??

skirkland1980

iTrader: (2)

im going to fab every piece that i can myself. i will buy mandrel bends from summit.

madbomber824

iTrader: (2)

kool....keep posting on progress

Stephen

iTrader: (12)

If your building your own system, then our suggestions won't do you much good.

But are you going over the axle or a side exit? Side exit will be louder & lighter.

skirkland1980

iTrader: (2)

over the axle. still undecided on 3" or bigger

skirkland1980

iTrader: (2)

i decided to go with the 3" before the y and 3.5" to the rear. i bought these pipes to got into the y http://www.summitracing.com/parts/HED-18701/ , and the flowmaster y http://www.summitracing.com/parts/FLO-Y300350/ . i tried to make mine like this http://userpages.xfoneusa.net/~davidlt/exhaust6.jpg , but my 700r4 won't allow it. what to do now?