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Best exhaust/ CAI

Old Apr 13, 2009 | 03:46 PM
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Best exhaust/ CAI

Hey guys, I'm 18 and just saved up enough to cash after putting out for my car, to do a few simple mods. I want to get a slightly custom feel but not to obnoxious.

I was wondering if an axel back exhaust, like the tanabe, would make sense. Or if i should just go for a full cat back.

For both options some recomondations would be nice.

Also for the cai, id like something with a custom look. The stillen 2nd generation seems to be a good choice. Again any recomondations would be greatly appreciated.

Any other popular mods that can be easily (lease) removed would be greatly appreciated as well. (black Betty grounding kit etc.)

Thanks again guys!
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Old Apr 13, 2009 | 03:50 PM
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I would say go with the Injen CAI but I dont think it is that easy to remove/install. Cant comment on exhaust cause I have got one yet.
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Old Apr 13, 2009 | 03:54 PM
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I bought the Injen CAI and its awesome, i highly recommend it. It just depends on if your mechanically inclined, and feel like you can handle a slightly more difficult install. If not, then Short Ram intakes will be good also, like the Injen Short ram that is just released, or JWT's.

for exhausts, the Tanabe sounds good, but i would go for a cat-back. The magnaflow exhaust is 475 from another thread on here, if you like how that sounds...and if price is a concern. If not, then Mackin MXP is coming soon (the one i ordered) along with Fast Intentions, Borla, Greddy, HKS, just to name a few.
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Old Apr 13, 2009 | 04:12 PM
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Get the Injen CAI, if you can't afford that, then get the Injen short-ram.

As for exhaust, if you want an axle back get Tanabe, or Greddy (only axle back exhaust options)

But I would recommend Fast Intentions, most popular exhaust on the forum.
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Old Apr 13, 2009 | 04:16 PM
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for CAI, go with injen

for exhaust, go for what you like, listen to video clips and what not. i went with borla cause it was mean, aggressive, and loud... and it's been dyno'ed to have to most gains so far... so yeah
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Old Apr 13, 2009 | 06:09 PM
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If your good at installing mods yourself i say CAI wise go with Injen, if not go with short ram.. you said its a lease and that would be a quicker switch in the long run.

As for exhaust if say go with a axle back (greddy), again since its a lease your not gonna want to waste the money and have them put back all that pipeing.
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Old Apr 13, 2009 | 06:13 PM
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I cant say on intakes since i dont have one, but for exhaust I've got the Tanabe axle back and just put in an Ichiba y pipe over the weekend and i absoultly love it. The sound is great and not to over powering and adding the y pipe really helps in the mid range power and tq. Later on i plan on getting a custom mid pipe made if a company still hasnt come out with one yet. Alot of people say the tanabe is pricey but i got a great deal on it and the quality is second to none. Picked up the y pipe used from a member on here in great shape also for a good price. I got both exhaust and y pipe for what the exhaust alone normally costs.
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Old Apr 13, 2009 | 06:34 PM
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Wow lots of Injen fans even after the beating they took from you all. I would have thought the Still gen3 would be the favorite. And no love for the JWT either?
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Old Apr 13, 2009 | 06:43 PM
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JWT and FI Carbon Fiber gets my vote
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Old Apr 13, 2009 | 06:50 PM
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Originally Posted by Kidcane
Wow lots of Injen fans even after the beating they took from you all. I would have thought the Still gen3 would be the favorite. And no love for the JWT either?
JWT's got a shout out from my post earlier! This was my first time trying the Injens, but JWT's are also very awesome sounding. The only issue i was concerned about was the fitment for the passenger side, which i just didn't want to deal with.
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Old Apr 13, 2009 | 11:16 PM
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thanks guys, i was looking at the stillen 2nd gen, just an easier install. The greddy seems to be a pretty good option for axel back as well

Thanks for the help!
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Old Apr 14, 2009 | 04:43 AM
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Don't forget about Fujita, which is basically an Injen SRI. Cleaning the filters is easy too since they're not oiled. Dry filters and washable makes things much easier. Granted they don't make as much power as a CAI, but they're easy to get to and there is definitely no risk when driving through deep puddles. I got the Fujita SRI, but haven't installed them yet cause I'm on deployment. They'll be installed when I get home for R&R
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Old Apr 14, 2009 | 10:09 AM
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Originally Posted by BradManUWF
Don't forget about Fujita, which is basically an Injen SRI. Cleaning the filters is easy too since they're not oiled. Dry filters and washable makes things much easier. Granted they don't make as much power as a CAI, but they're easy to get to and there is definitely no risk when driving through deep puddles. I got the Fujita SRI, but haven't installed them yet cause I'm on deployment. They'll be installed when I get home for R&R
Fujita is not even in the same league as Injen. And the Injen CAI sits behind the faux brake diffusers. Unless you are slammed to the ground and trying to flood out your engine by driving through deep as water, you are not going to have any problems. But the Injen CAI is definitely a harder install. My suggestion would be to go with Stillen SRI, JWT, or Injen SRI, and if you have the money, than Status Elite. Just note that with a SRI, you are not getting cool air to the engine, you are getting the hot air within the engine bay, which if you have noticed, these VQHR engines run very hot.
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Old Apr 14, 2009 | 12:49 PM
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Originally Posted by Heat
Fujita is not even in the same league as Injen. And the Injen CAI sits behind the faux brake diffusers. Unless you are slammed to the ground and trying to flood out your engine by driving through deep as water, you are not going to have any problems. But the Injen CAI is definitely a harder install. My suggestion would be to go with Stillen SRI, JWT, or Injen SRI, and if you have the money, than Status Elite. Just note that with a SRI, you are not getting cool air to the engine, you are getting the hot air within the engine bay, which if you have noticed, these VQHR engines run very hot.
When it comes to SRI, they're pretty close to being the same no matter what brand it is. The filters are the only big differences. There's only so many ways you can make an almost straight piece of pipe with a filter on the end. There are a lot of differences when it comes to CAIs though. I agree there, look at Stillen and Injen....big differences. Also since Fujita and Injen used to be the same people, they're pretty similar in design. One partner stayed Injen, the other split off and founded Fujita. I didn't compare SRI to CAI so your statement of hot air is not relivant to my post. OF COURSE a SRI isn't as good as a CAI, and it will be hard to compare a Fujita SRI to an Injen SRI since Injen doesn't make an SRI for the G37 yet....JWT, Fujita, and Stillen are claiming the same amount of gains, so there's no difference there except for maybe engine sound. JWT = 6.5-10whp, Stillen = 6-7whp, Fujita = peak gain of 10whp. OP is looking at SRI because of install/uninstall due to his car being a lease. SO, when it comes to SRI get which ever one you want since they all have similar gains. Easiest install, and least expensive, is going to be Fujita since it doesn't have the heat shields to deal with, which according to the manufacturer's dyno posts, makes no difference. If I was going to go CAI, I'd most likely get an Injen, but Stillen Gen3 is a possiblity. I like having my full sized washer fluid tank with "low fluid" sensor, which you lose with the Injen. :P

Oh, nice sig.....are a K&N oil filter and Motul oil performance mods???? How many HP did you get with those? haha
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Old Apr 14, 2009 | 01:43 PM
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Originally Posted by BradManUWF
When it comes to SRI, they're pretty close to being the same no matter what brand it is. The filters are the only big differences. There's only so many ways you can make an almost straight piece of pipe with a filter on the end. There are a lot of differences when it comes to CAIs though. I agree there, look at Stillen and Injen....big differences. Also since Fujita and Injen used to be the same people, they're pretty similar in design. One partner stayed Injen, the other split off and founded Fujita. I didn't compare SRI to CAI so your statement of hot air is not relivant to my post. OF COURSE a SRI isn't as good as a CAI, and it will be hard to compare a Fujita SRI to an Injen SRI since Injen doesn't make an SRI for the G37 yet....JWT, Fujita, and Stillen are claiming the same amount of gains, so there's no difference there except for maybe engine sound. JWT = 6.5-10whp, Stillen = 6-7whp, Fujita = peak gain of 10whp. OP is looking at SRI because of install/uninstall due to his car being a lease. SO, when it comes to SRI get which ever one you want since they all have similar gains. Easiest install, and least expensive, is going to be Fujita since it doesn't have the heat shields to deal with, which according to the manufacturer's dyno posts, makes no difference. If I was going to go CAI, I'd most likely get an Injen, but Stillen Gen3 is a possiblity. I like having my full sized washer fluid tank with "low fluid" sensor, which you lose with the Injen. :P

Oh, nice sig.....are a K&N oil filter and Motul oil performance mods???? How many HP did you get with those? haha
First off, Injen does make an SRI for the G37 so get your facts straight. Here it is for you newbie. http://www.hpautoworks.com/index.php...oducts_id=4688.

Just because I quoted your post doesnt mean that everything I wrote had to be relevant to your post. I just didnt want to post one after another like a moron. I still wanted to explain to the OP a little knowledge on why a CAI is better overall. Maybe he may want to buy out his lease. He never said he was set on getting a SRI, however, it may will be much easier if he was installing it himself. There are actually a lot of lease owners here that have an Injen CAI and many mods.

Also, if you read my entire sig you would see that LED's arent a performance mod either, so everything that I put in my sig doesnt have to had performance and yet it is still considered a mod. Both of those that you listed do however help with the overall performance of the car, who says a mod has to add HP?

So next time you feel the need to prove yourself on the forum newbie, DONT! DOMO





On a serious note to the OP, dont expect any real HP gains from any intake. And from what I have seen since the cars first came out and Fuijita's were the only intakes available at the time, most everyone that bought one of those ended up replacing it with an Injen CAI when they finally came out with theirs. In my advice, I would say stick with Injen and you wont regret it. I love my Injen CAI! Especially when you drop gears. The sound of it is great! Puts on smile on your face everytime. But then I am sure your exhaust will have the same effect no matter which one you go with.

Last edited by Heat; Apr 14, 2009 at 01:52 PM.
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