what about the Greddy evo 2

 

Hey, guys. Just thought I'd add my thoughts to this post...

I know this is a 350Z Forum, but I had a little experiment with changing the weight of a car. In 1996, I tested out my N/A Nissan 240SX S14. Initially, I had a 2.25 inch single custom exhaust on the car with a test pipe and Stillen cone filter. My runs were consistantly around 16.10-16.30. I know, I know, that's slow, but I have to mention that the track we had here, which is now closed, was pretty crappy, and in '96, guys with Integra GS-R's were hitting mid to high 18's.

Anyway, I experimented by taking out the spare tire, passenger and rear seats. Gas was always kept around half a tank full. Track conditions were pretty much the same. I ended up running around 15.53-15.66 consistantly with this set-up.

I know the slower the car is, little things make big differences, but I do believe that even miniscule amounts of weight loss DOES make a difference. Those items I removed from the car were hardly over 50-60 pounds out of a 2800 pound car.

In the Z, maybe a cat back exhaust might only shave 10 pounds, which might not make a difference, but every little thing adds up. Changing the 2 cats to aftermarket ones or to test pipes will definately take away some more weight. I believe just because the car weighs around 3300 pounds (which is nearly 1.5 tons, not 2 tons) doesn't mean we are all doomed to stay at that weight.

Maybe I'm misunderstanding what people are saying, but it sounds like they're saying, "No matter what exhaust you run, what mods you do, or how much petty weight you remove from the car, it's not going to make a difference. You won't feel it, it won't drop your times or increase your horsepower that much." If that's the case, and the only difference there is is sound, then why are we all here in a forum about modifying our cars? Is that it? Are we all screwed unless we have over 500 horsepower? I would like to think not.

I'm sorry this post is long winded, but I had to get that out. Yes, the exhaust system on it's own, will not make much power, but it's a piece of the puzzle in making more power, and every little bit counts. Thanks for reading.

 

^amen.

 

i'm also curious about the evo 2, but why is the injen 2.25 isn't that the size of the stock exhaust?

 

Yes, but the Injen is a dual system.

 

Hands down, one of the sexiest exhausts for the 350z has got to be the Greddy EvoTT. Once you see and hear it in person it's like your Z just got attitude

Top exhausts for the 350z

Greddy EvoTT (TD)
HKS Hi-Power (TD)

Powerhouse Amuse
Nismo S-Tune
Hitech
Fujitsubo Ti
Fujitsubo Non-Ti

 

If I owned a BB, I would ban ****. . . I mean b e s t . It means nothing in this game.

You want the lightest exhaust. . . that exists.
You want the loudest exhaust. . . that exists.
The quietest. . . we can do that
You want the highest peak power. . . that exists, though it may be hard to determine
Similarly with quality
You want aethetics. . . subjective
Sound . . . subjective

 

Does anyone know if the Borla True Dual Exhaust system will be a perfect fit for the 2007 350Z VQ35HR?

 

check this out.

http://www.borla.com/applications/lookup.aspx/2007/Nissan/350Z/True_Dual_Stainless_Steel_Cat-Back_System/140045/

 

 

Not to hijack the thread here BUTT, does anyone have a before and after dyno on this exhaust? I'm sure more than one of us would be interested in seeing this. Sure would help sway the decision from Stillen true-duals that I'm considering. Thanks.

 

Im Definately Going With A True Dual For My Z!!!

 

Best sounding???

 

+1 for Stillen TD. I actually like the fact it looks stock but sounds like the stock exhaust on steroids...

Personally, I'm not a fan of the giant ricey blue exhausts with no power gains, but that's just me. I recommend listening to all of the them to figure out which one you like best.

 

isnt the borla like, dead quiet?

 

I have the older Injen exhaust... its the one with the angled tips.. i have heard that this older version produces more gains than the newer version with the straight tips. The angled tips dont have as many bends and their piping diameter is smaller than ive ever seen... if your running NA then i guarantee you that youll feel a significant gain with this exhaust...Their is a benefit to this setup as opposed to the newer setup...But, it dosent look anywhere near as sexy as the newer version... the angled tips **** me off sometimes and look weird... but its light as shyt and showed me a difference of night and day with my NA z. im sure many of you have read this... http://www.hypersprite.com/auto/pict...d002/injen.asp

Btw, anybody else with the older injen angled tips??...

 

I should be tossing mine in Thursday or Friday, so I'll let you know. (*Note: I do have Berk HFC's already installed)

 

not necessarily...


3 inch is rather large if your running a true dual setup regardless of what engine...


and for a 3.5 V6, your looking at 3 inch's per 3 cylinders... which is a large diameter regardless of boost...

this doesnt include running an X/H pipe either... im pretty confident that a 2 inch legit true dual setup (with minimum bends) will net you the best n/a performance... thats 2 inch piping per half the engine... with minimal bends for better scavaging thats still extremely large for exhuast flow... times that by 2 you essentially have a 4" exhuast, 2" per 3 cylinders...


thats what i think of when people talk about true duals...

as long as they are equal length 2" true duals should give excellent gains for n/a & still very nice gains for smaller boost apps... if your pushing over 500 rwhp &/or 20+psi, 2.25 or 2.5 would be a nice upgrade...

some of you guys dont really understand how large 3" exhuast piping is...

600+ rwhp single turbo supras run 3" turbo back piping, some push 3.5-4 inch which is insane... but were talking about single exit & not true duals...



& its not about backpressure either, thats a damn myth that stupid car people still hold on too (otherwise cutouts wouldnt show the gains they do)...

when it comes to exhuast bigger/less restriction is in fact better... but you also need scavaging with exhuast flow... thats a whole nother topic