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12-01-2005, 06:54 PM | #1 |
Scooby Specialist
Member#: 94447
Join Date: Aug 2005
Chapter/Region:
Tri-State
Vehicle:2005 2.5RS PSM |
an update regarding my DIY intake for 05RS
Hi Guys,
Since I dont like the idea of paying $230~ for an injen intake so I am going to make my own.....after a lot of research and testing I've decided to try the following different setup and then I will DYNO to see which one work better... MAF adaptor with airfilter ^^^ This one is the easiest way to make our RS breath better but at the same time we are still using the stock piping...so I am guess it wont work as good as when we are using an aluminum intake pipe like the INJEN COST $20 shipped 2nd setup with OBX CAI off ebay Intake can be purchase here ^^^ this setup is more complicated...it will probably require to plug one or two of the vacum hose and some cutting on the pipe to make the MAF housing working properly...but it shouldnt be that hard...and I think with this setup it will work the best...you can also choose to do SHORT RAM or COLD AIR setup like the injen.... lastly I will highly recommended a REAL K&N intake...which is only like $35-40 and the whole setup with all the little extra parts will not cost you more than $120...pretty good deal I think... any input or comments???
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12-01-2005, 06:56 PM | #2 |
Scooby Specialist
Member#: 94447
Join Date: Aug 2005
Chapter/Region:
Tri-State
Vehicle:2005 2.5RS PSM |
btw thanks those who've answered my questions before and the guy joltdudeuc
who posted pics and alot of helpful info in his thread about the OBX CAI |
12-08-2005, 12:31 AM | #3 |
Scooby Specialist
Member#: 94447
Join Date: Aug 2005
Chapter/Region:
Tri-State
Vehicle:2005 2.5RS PSM |
ok I am using setup #1 right now...not sure about power gain but the car is breathing better than before. This is only a $20 upgrade, so
I would say its worth the money. When it gets warmer I will switch to SETUP #2 and see what happen. By the way the car is louder, throttle response is better and you know how the power usuall come in around 4kRPM for our car...now when i floor the gas the power come in around 3.5k rpm... |
12-08-2005, 01:29 AM | #4 |
Scooby Specialist
Member#: 6119
Join Date: Apr 2001
Chapter/Region:
BAIC
Location: Union City, CA
Vehicle:1999 GM6 RBP |
You will see a small nice gain from that. Give it some time, it'll get a little better.
I think that if you can somehow sheild it off from the rest of the engine back and use a 2.75 to 3" flex hose from the fender into the engine bay on, or near the filter you should be able to feed it some cool air, and block as much of hot air from the engine. -Gagan |
12-08-2005, 02:39 AM | #5 |
Scooby Specialist
Member#: 94447
Join Date: Aug 2005
Chapter/Region:
Tri-State
Vehicle:2005 2.5RS PSM |
thats a good idea...i kinda plan to do that but as for now its freezing outside
thanks again dude! you're very helpful! |
12-08-2005, 10:58 PM | #6 | |
Scooby Specialist
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Join Date: May 2005
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RMIC
Location: Salt Lake City, UT
Vehicle:2005 GMC Savana white |
Quote:
seems like an exensive experiment for someone who isn't willing to pay $230 for an intake. IMO you should just buy an injen intake instead of making these then spending the money on 2 DYNO base runs... unless you've got hook-ups for dyno runs. then i guess it kinda makes sense. good luck Cheers, Greg just my .02 |
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12-08-2005, 11:47 PM | #7 |
Scooby Specialist
Member#: 94447
Join Date: Aug 2005
Chapter/Region:
Tri-State
Vehicle:2005 2.5RS PSM |
yea...i have access to free dyno runs ...hehe
and the thing is... spending $230 for the injen intake does not guarantee 17hp gain like it promised thats why when most ppl say "you should just get the injen" yet I still want to find out another way to acheive same/similar/better result for less money... hmmm...to me intake is an intake...it helps the car breath better by using lighter and less restrive pipping...of coz the design of the intake will make a difference but does the difference worth paying extra $100+ for it...thats when I decided to go thru the whole "experiment" either way...I can never depend on just an intake to produce enough power to make me happy its just something fun to do to keep my boring life less boring...heheh thanks for ur opinion! =) |
12-08-2005, 11:56 PM | #8 |
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Vehicle:RIP 96 SBM GC8 05 Burnt Orange Evo |
let us know how the dyno goes! I love projects like this
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12-09-2005, 12:21 AM | #9 |
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South East
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Innnnteresting
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12-09-2005, 03:01 AM | #10 |
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Member#: 92913
Join Date: Aug 2005
Chapter/Region:
W. Canada
Location: Winnipeg, MB
Vehicle:2005 2.5RS Wagon Crystal Grey Metallic |
I'm going to be doing a DIY as well. Stay tuned for my version.
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12-09-2005, 04:10 AM | #11 |
Scooby Newbie
Member#: 41522
Join Date: Aug 2003
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RMIC
Location: Parker, CO
Vehicle:2008 Legacy 2.5 GT Satin White Pearl |
Well I did a DIY intake. Here is how mine turned out....
I left my stock inlet and airbox (with a K&N Filter) and took everything inbetween out. Then I got a 2 1/2 pipe bent at an exhaust shop (Mienekee) used some radiator hose and some clamps. Painted the pip red for some extra flare. Here are some more pics from awhile ago before painting... |
12-10-2005, 08:10 AM | #12 | |
Scooby Specialist
Member#: 94447
Join Date: Aug 2005
Chapter/Region:
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Vehicle:2005 2.5RS PSM |
this setup is very creative...
but i think it is not working as good as if you are using a FILTER-----PIPE----T-body setup i am pretty sure if you get rid of the stock airbox and put a filter at the end of the pipe will yield to a better result...it is also because of the fact that theres a very narrow "CONJUNCTION" between the pipe you got from mienikee and plastic piece with the RALLITECK.com sticker it will give you better result if you get rid of that too but i gotta say your setup is very good looking... Quote:
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12-10-2005, 08:11 AM | #13 | |
Scooby Specialist
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Join Date: Aug 2005
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Vehicle:2005 2.5RS PSM |
want to tell us what kinda of setup you are planning to do?
Quote:
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12-10-2005, 08:23 AM | #14 |
Scooby Specialist
Member#: 94447
Join Date: Aug 2005
Chapter/Region:
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Vehicle:2005 2.5RS PSM |
btw i left my car at my friend's shop yesterday for the DYNO test
and they were using my 05RS and my bro's 05RS (stock) to compare to result then i got a call later last night and my friend said there is a 6hp and 9 ft/lb of torque of increase compare to a stock RS with my setup...and he told me our car is kinda weak at the high end (I KNOW!!!) hehe i m not suprise because the stock intake setup with really narrow and restrictive...and to me the car pull harder now, not a lot but its noticeable when i floor the pedal... not a whole lot of power gain but consider it is only a $20 mod...i think its worth to do it... |
12-10-2005, 10:44 AM | #15 |
Scooby Specialist
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Join Date: Aug 2005
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W. Canada
Location: Winnipeg, MB
Vehicle:2005 2.5RS Wagon Crystal Grey Metallic |
Hold up, so your car and your brothers' car, the only difference is your intake? Those are very impressive gains for just an intake. Those 9 ft-lb to the wheels are huge, and you'll definitely notice a gain on the butt dyno.
Curious, what were the actual numbers both yours and you brother's cars ran on the dyno? Interested to see what a stock 05RS dyno's out at. |
12-10-2005, 12:16 PM | #16 | |
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BAIC
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Vehicle:1999 GM6 RBP |
Quote:
if he made that big of a difference to the wheels on a setup like that, then i really need to get my car on the dyno... |
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12-10-2005, 12:20 PM | #17 |
Top Scoob 008
Member#: 77299
Join Date: Dec 2004
Location: Bedford, Ohio
Vehicle:'05 2.5RS #78 ST, MAXIMUM ATTACK! |
Nice i'm going to follow this thread
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12-10-2005, 12:30 PM | #18 | |
Scooby Specialist
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Join Date: Aug 2005
Chapter/Region:
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Location: Winnipeg, MB
Vehicle:2005 2.5RS Wagon Crystal Grey Metallic |
Quote:
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12-10-2005, 12:34 PM | #19 |
Scooby Specialist
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Join Date: Aug 2005
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I'm actually wondering if the 05's have some changes in the ECU that make it take to mods better than older cars. The 17hp/20tq Injen claims on their 05 RS intake is MASSIVE, even with tuning I could never see an intake going that high. But 6/9 is even monstrous for a quality intake, nevermind a hacked-together DIY setup. Kinda wondering if Injen realized a near-double-digit hp gain and double-digit tq gain, and tuned it out to make the numbers just right absurd.
Numbers become believable if the 05 ECU has some more mod-friendly qualities. |
12-10-2005, 12:39 PM | #20 | |
Top Scoob 008
Member#: 77299
Join Date: Dec 2004
Location: Bedford, Ohio
Vehicle:'05 2.5RS #78 ST, MAXIMUM ATTACK! |
Quote:
You want 'hacked-together' DIY setup, that'd be me |
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12-10-2005, 12:44 PM | #21 | |
Scooby Specialist
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Join Date: Aug 2005
Chapter/Region:
W. Canada
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Vehicle:2005 2.5RS Wagon Crystal Grey Metallic |
Quote:
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12-10-2005, 04:19 PM | #22 |
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Location: Lewistown, PA
Vehicle:2002 WRX MBP |
Nice, if that's the real power gain, but by using 2 different vehicles to make the comparison, there's just too many variables to make it believable. It would have been better to have your car dyno'd stock, swap on the intake and dyno again, all in the same day. Then it would rule out differences like your brother's car needing a tune-up and yours was just done, etc.
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07-10-2006, 10:35 AM | #23 |
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Vehicle:2005 Impreza 2.5RS www.shutterlit.com |
any new updates?
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07-10-2006, 12:47 PM | #24 |
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07-10-2006, 01:34 PM | #25 |
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