3" exhaust question low end vs high end

[bbilly]

If I put a 3" TURBO BACK WILL IT REDUCE LOW END SPOOL UP? I have an automatic with turbo lag already and need a quicker spool up not more top end


PS. is the hks carbon muffler system anygood?

[drdisque]

it should actually improve spool speed. possibly a lot.

[gsxeclipse97]

I think that the hks is the most expensive one out there. If you are going to spend the money i would just go with the apex n1

[scottsee]

Going Full name brand o2 back is the easyist. It's expensive though $500-$600. You can peice together a full 3in turbo back for around $330. I bought my 3in Megan Racing downpipe and Muffler for $179 shipped to my door. I've had 3 muffler shops quote me the same price of $150 for the 3in catback as long as I put on the Downpipe and supply them with the muffler. Just a heads up! And yes, it will increase flow, and turbo spool, but will increase boost creep if you don't port out your o2. Might be worth it to spend the extra $60-$140 on an aftermarket 2.5-3in o2 housing.

[bbilly]

Originally Posted by scottsee

Going Full name brand o2 back is the easyist. It's expensive though $500-$600. You can peice together a full 3in turbo back for around $330. I bought my 3in Megan Racing downpipe and Muffler for $179 shipped to my door. I've had 3 muffler shops quote me the same price of $150 for the 3in catback as long as I put on the Downpipe and supply them with the muffler. Just a heads up! And yes, it will increase flow, and turbo spool, but will increase boost creap if you don't port out, or buy a 2.5-3in aftermarket o2 housing.

Ok doesnt the waste gate control boost creep? How much and how hard is it to port out or do a 3in o2? which o2 is it the cat o2 or the one in the turbo? I appreciate your help...

[bbilly]

Originally Posted by gsxeclipse97

I think that the hks is the most expensive one out there. If you are going to spend the money i would just go with the apex n1

I got a deal waiting $450 for an hks carbon wrapped titanium tipped deal with down pipe. I think its cheap enough but is it any good?

[scottsee]

This is a picture of the Stock 96 GSX downpipe next to my Megan Racing DP W/cat-eliminator. you can see the Catilitic Converter attached to the end of the stock downpipe



You don't need to port a 2.5in or 3in o2 housing. You need to port out the stock o2 if you don't buy one. To understand Boost Creep a little better, check out 1000 already asked questions on VFAQ.com. It explains it very well

[kjewer1]

I think there is some info on my site as well.

[gsxeclipse97]

thats pretty cheap for the hks all of the one that ive seen are 600 plus but i thought that hks didn't make 3" piping for are cars