Now it turns out again that Comptech does not make a 4-2-1 MIG welded header for my 99 SI. The TIG one costs too much for me. Now I am thinking of getting the ITR 4-1 with a 2.5" High flow cat. What do you guys think?




[Modified by 99MilanoRedSi, 6:52 PM 8/27/2002]

 

Go for it. I was also thinking of getting a comptech header but ended up ordering a CTR exhaust manifold and will soon get a high flow cat to match the 2.5" collector.

 

Oh yeah its a Car Sound High-Flow Catalytic Converter.

 

 

 

Why not the "JDM" DC? It's cheap, ceramic or stainless.

Mine had perfect welds throughout, no rust. (just ended up one HUGE dent and a HUGE scrape on the bottom.)

You can have it for $50, has a flex pipe on it, no flange.

2.5" Carsound cat also for sale, $50, no flanges.

GReddy mid-pipe for sale, $40. (second piece of cat-back, one that hooks to axle-back.)

 

or you could save over 100 bones and get a ceramic JDM DC 4-1. thats what i did.

 

I think maybe this too.......

 

Forget the cat for now (unless it has over 90k miles on it). Instead get a DC 4-2-1 one piece header, the sound nice and get gains throughout the powerband, no losses.

 

 

Get a JDM header. 2.5" collector ownz USDM collectors. I can't wait to put my
Spoon header on the Si

 

High flow cat or just a flange?

 

get a MIG Comptech for ITR!

 

SMSP testpipe I'm putting mine on as soon as i can afford a Type-One bpipe to run to the twin Loop


[Modified by EbboyPSi, 9:46 AM 8/28/2002]

 

Header - s/s, MIG welded (97-01 Type R)
$429.00
MIG welded stainless steel header
Stepped 4-2-1 design maximizes mid-range power.
years: 97-01 Type R
installation time: 2 hours
CARB legal

This one bro?

 

The whole thing about the CARB EO#'s if you live in Cali. Is for the smog ref's to be able to look up the number and see what chasis/engine it is supposed to go with. It will not be legal in the SI unless the number is the same.

 

Good news, there the same number.


D-455-8
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1/4/01 Comptech Machine
-------------------
Exhaust System/ Exhaust Modification
-------------------
37.0007 1999-2000 Civic SI 1.6L

D-455-8
----------
1/4/01 Comptech Machine
-------------------
Exhaust System/ Exhaust Modification
-------------------
27.0007/7m/8/8m 1994-2001 Integra