Custom Exhaust or Greddy...?

[P10DET]

I kind of hate to contribute to a holy war here..... :jump:

First off, are you sure the GReddy is ceramic coated? They never used to be. Many folks on the SE-R list have had GReddys rust out.

Second, I seriously doubt they do much R&D. They make only so many cans and they find one that fits and bend up some pipes to use it on an application.

That said, I have a GReddy on my SE-R and really like it.

I cannot believe there is this much argument over exhaust, which for a NA engine doesn't free up enough hp to argue about with a SR20DE. Turbo is another issue altogether.

[b-b00gie]

Yes I'm sure, I do own one lol...

As for the R&D... they do as much as any other company, which is... they have about 6 types of exhausts, they test each one on a car and which ever one performed best they will sell for that car..

[b-b00gie]

..

[nis.k.a.]

Damn, people swear I don't know what I'm talkin' about, thanks b-00gie. NA or turbo, it's still better to go with an aftermarket exhaust (cat-back).

[G20-KIWI]

I agree with P10DET on the fact that it doesn't make much difference at all
as our engine is only 122 Cubic inches. I think if you upped the compression
or went turbo then a higher flow exhaust system could make a difference.
Are you a little bias towards Greddy boogie? (is Greddy American?)
I think trust/hks and many other manufacturers including custom exhausts
are just as good but I do like that ceramic coating they use. Is it similar to
HPC?

Sorry Niska I didn't read your reply. My old exhaust in my skyline was intentionally
that loud, I really liked it like that, it used to pop flames and do cool backfires
( there are different laws on noise and pollution here).
The agree more mods you do to your vehicle the more you need a high flow system
but the exhaust I have on my G20 is a combination of high flow mufflers and
mandrel bends, I paid bugger all to have it done and I am more than happy with
it but again it was done properly. I know a guy who paid about $2200 Nz for a
turbo back trust exhaust system which I know could be replicated by Al's Mufflers
for less than a grand in stainless with mandrel bent pipe and they let you select the
mufflers to customise the sound you want. I don't want to annoy anyone with my
opinion but I can see that there are differences in laws and quality of custom
exhausts (ie finding someone good) that you can have done in other countries.
To me $500 american is like over $1500 Nz to me as a student I earn $160 a week
that pays for gas and alcohol on weekends, that is a lot of money to me to pay!!
Also as I used to sell car parts I know how much they make on making exhausts
cos it ain't that hard and pipes/mufflers are cheap.

[nis.k.a.]

I don't know how it is anywhere else, so I could be totally off compared to anyone elses area. But in Washington state, the muffler shops are filled with kids tryin' to earn a buck who really don't give a rats ass about you or your car. The owners are old, SERIOUSLY prejudice (automotive wise), hairy a-holes. They believe there's nothing better on this earth than their hot rod. They treat imports like the plague, so obviously the quality is crap. This is what I'm comparing the GReddy too. I guess you can see why I favor aftermarket more.

[P10DET]

Originally posted by b-b00gie
Yes I'm sure, I do own one lol...

I own a GReddy as well and it looks just like yours (the pipes anyway). Mine's just silver paint. The GReddy web site doesn't say anything about ceramic coating.

Where did you read that it's ceramic coated?

[b-b00gie]

Originally posted by P10DET


I own a GReddy as well and it looks just like yours (the pipes anyway). Mine's just silver paint. The GReddy web site doesn't say anything about ceramic coating.

Where did you read that it's ceramic coated?

Must not look just like mine then... cause mine is not paint! its coated.. and not smooth like a plain jane pipe.. nor is it painted over...

[b-b00gie]

Originally posted by G20-KIWI
Are you a little bias towards Greddy boogie? (is Greddy American?)

Nope. The only thing I'm baised on is that I will take a real cat-back system over a muffler shop rigged one anyday.

Originally posted by G20-KIWI
...I think trust/hks and many other manufacturers including custom exhausts are just as good but I do like that ceramic coating they use.

LOL... Trust = Greddy !!! :right:

[G20-KIWI]

Ok well I did not know that, enough alreddy.LOL

And to continue, the guys who I use for my exhausts and my mates
(including their race cars) are fricken legends, so I'd rather have
a custom exhaust from them

I took a while to find these guys but because NZ is basically all
Japanese imports most exhaust shops specialise in them.

When I worked at a car parts place in west auckland every "Westie"
(the same as the american term "rednecks") used to come into my
work and bleet on about how they are restoring a "mean as" FORD
or Holden (GM) and how jappas suck, funny though cos every
single westie owns a jappa to get around because they will NEVER
ever manage to finish their V8's. I don't like them myself but I used
to get them started on how Rotaries are better than V8's hehehe

[JustinP10]

Originally posted by P10DET


I own a GReddy as well and it looks just like yours (the pipes anyway). Mine's just silver paint. The GReddy web site doesn't say anything about ceramic coating.

Where did you read that it's ceramic coated?

I don't believe the Greddy exhausts are ceramic coated, i have yet to see one that is. However, would that help with exhaust gas flow? HPC is right around the corner from my parents house (about an hour and a half from me now), but i could just drop the parts off there to get coated before i install them (as a cheap alternative to Swain, too bad they are not closer). Any ideas? and would that help on a Gen 3 hs header too, I'm guessing just for underhood temps?
Finally, do you have pictures of your greddy? im guessing they'd be on your website? Thanks

[nis.k.a.]

Ceramic coating insulates tubes and at the same time is a very effective barrier from the forces of nature. By insulating a header with ceramic, the gases stay hotter, thus improving exhaust flow. In some cases scavenging is improved as well. It doesn't stain like stainless and if properly coated, won't corrode for a long, long time.

i.e.- The Stillen header on my wife's '91 P10 is going on 3 years without a blemish. Ceramic coated.

[b-b00gie]

Originally posted by JustinP10


I don't believe the Greddy exhausts are ceramic coated, i have yet to see one that is

The Evo system for my P11 is coated, end of debate. All the piping is coated to the exhaust, over all the welds.. everything.

This is not paint.. you can scratch paint off.. this you cannot!


If anyone continues to doubt this.. buy one and prove it to yourself.


Maybe the older systems (ie those that came out for sentras and p10's years ago) are not.. but the Evo is a new line.

[nis.k.a.]

My MX for my P10 is, so that ends that all around.:silly2:

[JustinP10]

OK, I'm a dumbass I do know the one I saw wasn't coated, but I don't know how long ago it was purchased... It may have been under different circumstances, or just one of the earlier models that didn't have ceramic coating, or something like that. It's nice to know the new ones do have it though. My HS header has the ceramic coating on it, and it's held up nicely (except where i scratched it doing the multiple installs) . I'd be curious to see how much a better coating would help though, cause I believe my HS header (gen 3) is only coated on teh outside, where i think the new gen 4's are coated on the inside too? Anyone have a Gen 4 and care to comment?