performance or suspension? 2.5 cvt

[chiapetchua01]

hey guysjust wondering on opinionperformance or suspension?i'm kinda done for now on exteriori have a white 09 a/c 2.5 with g35 18 7 spoke rims, ddm tuning 5k hid, and license plate led from ebay

i was next thinking into performance or suspensionmainyl things I can install myself

any advice on which one and what should I get?I was thinking rsb and engine strut bar thingy for endlinks for suspensoin

for performance i was thinking a intake and maybe a custom setup for exhaust

[Hussain]

hmmm tough choice.... for me i'm all about straight line performance bcause theres not really any corners and cuvey roads in sacramento but you live in the bay with tons of curvey roads... but i think i'd still go with performance if i were you.... CVT is slower then stick (i have CVT btw) and 2.5 is slower then 3.5 so you pretty much have the slowest altima coupe you can get.... i know with my car stock i was doing a 14.4 stock and did a 14.2 after i got my cat-back exhaust. i also heard that the intakes are more sound then performance.

[Ferguson]

My personal opinion is that you need to do both the exhaust and intake to get any really measurable gain. No point opening the flow at one end only. Even so, you will be lucky to get 6-12 HP, perhaps 8-15 on a 3.5, again if you're lucky. Will you feel it? Well, not a lot but I can tell the difference in my 3.5 in passing conditions - it's a 'little' quicker in that all important 40-70 MPH range - I can use smaller openings in the oncoming traffic to get by the mobile chicanes on two-lane roads... LOL

The RSB will help in the 'twisties' as it will reduce understeer and make the car a bit more responsive but you need to get something like the Eibach springs to lower and stiffen the whole car to get full advantage (if you are prepared for a harsher ride). The bar alone is still quite worthwhile though.

So... what's your pleasure - a bit more power or a bit more control in the twisties?

[alt.coupe28]

i say suspension. you could hold off until theres more parts for performance for your 2.5. just go with the handling of your car. imo

[coderedk]

i would say start off with the eibach pro kit. it changes the car drastically makes it look great nice and lowered and improves ride stabiliy since it has a lower gravity point

[chiapetchua01]

coo coo thanks for the inputhussain, i go 2 school in davis so is that a factor?

but jeez 2 many choices

[Hussain]

lol thats where i plan to go in a year (after i get my AS degree).

My personal opinion is that you need to do both the exhaust and intake to get any really measurable gain. No point opening the flow at one end only. Even so, you will be lucky to get 6-12 HP, perhaps 8-15 on a 3.5, again if you're lucky.

personaly, disagree. i took off my cat and then put it back on. when i put it back on, the car was noticably slower.... the 2.5s also has a more restrictive exhaust system then the 3.5. it has the muffler plus a resonator.... get a cat-back system and the Stillen headers and the car will be much quicker

[ESP]

Well...first of all, "2.5 performance" is something of an oxymoron. I'm allowed to say that 'cuz I've got one!

As someone mentioned earlier, the power gains you might feel from bolt-ons will be negligible at best. In fact, an intake will probably yield you less power if that's the only mod you've got as the stock Nissan airbox is already designed to be highly efficient for the engine. The most power gains will be found in the exhaust system. The QR25 has a very restrictive system...the biggest power-robber are the headers (which Stillen is currently working on...). A full cat-back would be your best bet.

Now, the 2.5 with a CVT is reeeeeally slow so you might as well work on the suspension. With all the current available suspension mods these cars can keep up with just about anything in the twisties!

So...if you do intake/exhaust it'll sound really badass but will cost you more $$$ than you gain in power. Dollar for dollar, your money is best spent in suspension upgrades IMHO.

[vonivo]

your really not going to feel any gains in any power mods you got a 2.5 your kinda stuck with that but for suspension you can do a few things that will be felt and make you happy. i would get the RSB from Stillen it makes a very big difference in corners. i would however stay away from racinglines end links in the before and after i installed the rsb and kept the end links at the stock height i felt absolutely no improvement gains if you feel like messin around with the preload on them then you might but if not there a waste of money.

[bembol]

If I had to choose, it would be Suspension. This is what I learned from my '02 Acura RSX Premium.

I spent so much on my GReddy Full Cat Back, AEM V2, DC Sports Headers and what did I really gain compared to my Suspension set up which was cheaper with Eibach ProKit & Anti-Sway Bars (Front & Rear) and Neuspeed Front Tower Strut Bar.

The overall Improvement/Cost is greater than and Cost Less than trying to Gain HP. It's why I'm not touching the VQ. I will only upgrade the Cat Back when I need to.

[beeristasty]

I consider suspension a performance part... But back to the point: Go suspension - you'll feel the better handling right away (springs, rsb, stb).

If you go intake/exhaust, you'll notice the more aggressive sound. It's up to debate if you'll notice the difference.

[DAAN.]

The performance upgrade you should consider is turbo. The rest feels useless if upgraded on current platform.

I had a GP lowered with eibachs and 4 stage struts / feels better driving, but you will develop problems with alignment in time if you have an aggressive driving style.