I just got thermal exhaust 2.25 piping and 4-2-1 apexi headers for my 95 4dr GSR, Now im wondering is it worth it to buy a high flow cat can you feel the difference or should i stick w/ the stock one. The other thing is my cat is kinda rusted so is there something i can apply to it so it wont keep rusting thanks.

 

header.

a nice "high flow" cat is probably better than the stock piece so Im gonna say yes its worth it. How much difference you see, well that depends on a bunch of things. Im not sure on the quality of that exhaust you are running, and since its only 2.25" I wouldnt expect to see a huge difference with a different cat.

 

If you're in NOVA get a cat, saves you the smell/emissions and safety inspection problems.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jrv2u &raquo;</TD></TR><TR><TD CLASS="quote">I just got thermal exhaust 2.25 piping and 4-2-1 apexi headers for my 95 4dr GSR, Now im wondering is it worth it to buy a high flow cat can you feel the difference or should i stick w/ the stock one. The other thing is my cat is kinda rusted so is there something i can apply to it so it wont keep rusting thanks.</TD></TR></TABLE>


A la my buddy Tuan;


"Cat Convertor flow rates


1) Catco (metal core) 2.25" 223.8 cfm
2) Catco (metal core) 2.5" 271.9 cfm
3) Catco (std. core) 2.25" 338.2 cfm
4) Catco (std. core) 2.5" 388.0 cfm
5) Random Tech 2.25" 297.1 cfm
6) Car Sound 2.25" 342.7 cfm
7) Test Pipe 2.25" 407.1 cfm
8) Stock NSX 242.1 cfm
9) Stock Type R 223.6 cfm
10) Stock Integra 218.3 cfm

The newer 2.5" Carsound's should flow over 400 cfm (talk to Dave at SMSP for actual figures).
A high-flow cat. is absolutely worth the expense. In fact, if given the choice between a new header paired with the stock cat. or a stock manifold paired with a 2.25" Carsound, I'd choose the Carsound. The stock cat. is really a severe bottleneck in the ITR (or any Integra) exhaust system. "


This is the Type-R forum btw.

 

i know from experience a test pipe lets out a lot of smells..and makes a car A LOT louder..my tanabe used to be deep/mello all the time, now it's loud raspy at certain rpms..

 

Whats the collector size on that Apexi header?

 

thanks for the info guys, is anyone in the NOVa area selling a high flow cat please let me know.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by jrv2u &raquo;</TD></TR><TR><TD CLASS="quote">thanks for the info guys, is anyone in the NOVa area selling a high flow cat please let me know.</TD></TR></TABLE>

Dave (SMSP) is in fredericksburg

 

upgrading from a JDM Cat to a Carsound (SMSP) gave me HUGE gains. go for it

 

someone in nova im still looking for a cat thanks

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by .RJ &raquo;</TD></TR><TR><TD CLASS="quote">

Dave (SMSP) is in fredericksburg</TD></TR></TABLE>

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by .RJ &raquo;</TD></TR><TR><TD CLASS="quote">Dave (SMSP) is in fredericksburg</TD></TR></TABLE>

I bought my Car Sound (after all this time, I've just learned that it's two words) from Dave around 3 years ago, and it's still working beautifully. I liked how he placed additional welds on the heat shield to prevent rattles, and his work on the flanges was excellent. I'd suggest giving him a call or sending him an email.

 

What's Dave's website addy???

 

Dave's website isn't up yet, but here is SMSP's information:

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote &raquo;</TD></TR><TR><TD CLASS="quote">David Stadulis, Owner
SMS Products
4747 Ewell Rd
Fredericksburg, VA 22408

SMSP Headers - Because diameter and length do make a difference
SMSP Exhausts - You don't have to be loud to make noise, email for the least expensive kit prices around

SMS Products now carries Honda/Acura Tranny Rebuild Kits with Synchros, Light Weight Flywheels, Mid and Hi Performance Clutches & Pressure Plates

540-287-6384
smsproducts@adelphia.net</TD></TR></TABLE>

 

what cat and what size is best to mate with the stock ITR system?

 

I ask this before but no confirm answer:
Does it allow you to pass emission dyno test in the
northeast??