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2008 Subaru Legacy

256 messages,  Last post on Jun 04, 2009 at 6:47 AM

You are in the Subaru Legacy & Outback Forum. Your Host is kcram

What is this discussion about? Subaru Legacy, Subaru Outback, Sedan, Wagon


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#237 of 256
Re: 2008 Legacy GT 2.5 MT exhaust and cold air intake [woodyboy] by paisan
Jul 11, 2008 (2:51 pm)
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Replying to: woodyboy (Jul 11, 2008 10:22 am)

Ok a few answers for you guys...
 
On the Snow Tires:
I'm in NJ and use summers and snows.
If going to summers I wouldn't go narrower than 215-45-17, as that's stock. I run Nokian Hakka RSi snows and they are GREAT in the snow/slush/rain we have here in NJ.
On Synthetics- I would wait to 5,000 miles before switching and wouldn't switch after 60-70k of regular.
 
On the SPT Exhaust, I have it on my 05 wagon, it gives you a bit more power and throttle response and has a nice tone. I happen to know the manager of SPT who designed it and it's a nice unit. The actual increase is 12hp/15lbs of torque at the wheels, so not sure the 30/30 is correct at the crank or not.
 
-mike
#238 of 256
Re: 2008 Legacy GT 2.5 MT exhaust and cold air intake [paisan] by nfn
Jul 12, 2008 (12:59 pm)
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Replying to: paisan (Jul 11, 2008 2:51 pm)

Thanks Mike and pilot1226 for your responses.
 
I have seen excellent reviews on the Nokian RSi, so I will definitely keep them in mind when choosing a winter tire.
 
I will wait until the second oil change to convert to the synthetic.
 
Nick
#239 of 256
Re: 2008 Legacy GT 2.5 MT exhaust and cold air intake [paisan] by woodyboy
Jul 12, 2008 (2:01 pm)
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Replying to: paisan (Jul 11, 2008 2:51 pm)

Mike,
Do you have the high flow air intake and heat sheild as well as the SPT exhaust? The parts guy at the local dealer gave me the SPT brochure and that's where he quoted the 30 HP and 30 ft-lb increases for using all three products together.
#240 of 256
Re: 2008 Legacy GT 2.5 MT exhaust and cold air intake [woodyboy] by paisan
Jul 12, 2008 (4:30 pm)
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Replying to: woodyboy (Jul 12, 2008 2:01 pm)

The brochures do not include any dyno numbers. Since I have inside info I've seen the dyno charts and it's 12hp/15lbs on the SPT Catback. With the intake and heat shield it is 15/15, they really only give you more throttle response than anything else. If it were 30/30 at the wheels then it would be in the realm of STi territory at the crank.
 
-mike
#241 of 256
Re: I found my roof leak! [dave1620] by phen
Jul 31, 2008 (4:19 pm)
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Replying to: dave1620 (Feb 02, 2008 10:08 am)

Is it easy to fix?
#242 of 256
Re: 2008 Legacy GT 2.5 MT exhaust and cold air intake [paisan] by woodyboy
Jul 31, 2008 (4:33 pm)
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Replying to: paisan (Jul 12, 2008 4:30 pm)

I have installed the Cat Back and cold air intake on my 08 legacy GT. It seems like the torque curve has changed. It feels like less on the low end and more on the high end of RPM. Does it take awhile for the computer to learn the new system? It's been about a week. The cold air makes a whoosh sound as it trys to draw air in and the turbo spools up. I think I may take if off and go back to the stock intake if there is not much performance difference. Also it seems like my mileage has dropped off. Comments from anyone???
#243 of 256
Re: 2008 Legacy GT 2.5 MT exhaust and cold air intake [woodyboy] by paisan
Jul 31, 2008 (4:43 pm)
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Replying to: woodyboy (Jul 31, 2008 4:33 pm)

Yup when you do an intake it will make more torque/hp, marginally (I checked the brochure and that's max of 30/30 at the crank) but with an intake it will be at the cost of low end torque. This along with a higher flow of air (more air, means more fuel) will translate to lower milage.
 
I'm planning on doing a Cobb DP and the Access Port. Just found out that the "stage 2" map bumps you to 305hp/385lbs torque at the flywheel. Those are some gains that would be nice to see.
 
-mike
 
PS: I might be interested in your intake, although I am not a big fan of intakes.
#244 of 256
subaru legacy 07 by legacygt07
Aug 14, 2008 (2:05 pm)
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Guys, i would really like your input on this one! I have just recently received a 2007 legacy GT, what would be the best intake brand for this car? Also what would be the best combo performance wise for the best price?
 
Thanks, Austin
#245 of 256
Re: 2008 Legacy GT 2.5 MT exhaust and cold air intake [paisan] by woodyboy
Aug 14, 2008 (7:20 pm)
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Replying to: paisan (Jul 31, 2008 4:43 pm)

Mike,
Sorry for the delay. For some reason replies to me are not coming to my email. I just happened to stumble across yours. My direct email is woodward-slccomcast.net
 
I definetly notice the low end torque loss, but I feel it come on a little stronger as the turbo spools up. I think I am going to remove the intake and go back to stock. I do not track my car (yet anyway) so I would rather have the low end.
 
If you are interested in SPT intake and heat shield they have only been on the car about three weeks. I paid $270 for both. What would a fair price be if I pay the shipping?
 
Also I notice a stumble in acceleration as I climb through 4000 rpm. I have not asked the dealer about it. Any ideas?
#246 of 256
Re: subaru legacy 07 [legacygt07] by woodyboy
Aug 14, 2008 (7:24 pm)
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Replying to: legacygt07 (Aug 14, 2008 2:05 pm)

I have the SPT exhaust and intake on my 08 GT. I think I am going to go back to the stock intake since I do not track my car. I don't know what the effect will be just running the exhaust. I will check it out and let you know in the next week or so.

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