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Alright so whats the best cold-air for a 2001 RS? The only one I've been able to find is the GanzFlow, all the rest (Weapon R, AEM, etc.) are all short-ram. Make my own? Thanks
 

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Depends on what you are looking For! If you what a CAI that gives you the most horse power go woth the Cobb CAI. If you dont mind not having that extra 2 HP go with Larry's CAI. If you want a loud CAI go with Cobb. One that is only loud (and not even that loud) at WOT then go with Larry's. If you dont want to spend a lot go with Larry's and if you want to fork out a extra $100 go with Cobb. Also if you want to keep the Stock "box" then larry's is the way to go. And if you say to hell with that stupid "box" then go with Cobb's. Its up to you! Personally i have Larry's and i love it. I did not feel like shelling out the extra cash and i wanted somthing that would not attract that much attention.
 
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The Cobb isn't that loud until you go WOT. But it does look pretty if you take your scoop plate off... :)
 

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2001 Subaru Impreza RS
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I threw the GanzFlow on my Scoob and I'm pretty happy with it. Low end torque suffered, but I can't imagine how much more it would suffer if I took the stock airbox out and used the Cobb.

Nick C.
 

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2001 Subaru Impreza RS
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In theory, it would suffer LESS with the Cobb
That may be the case though I can't see how. The stock intake provided more torque down low because of the air reservoirs providing much needed air when first accelerating, or so I was told.

Nick C.
 
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The Cobb also has quite a bit of air between the filter and the TB. I'd really like to see a stock dyno pull side by side with a Cobb CAI pull. See where the differences really are.
 

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00 RS & GSX-R 750
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I have done numerous runs with my obd-2 scanner and I get 14 lbs/min with my Ganzflow at 90%. I have seen Weapon R's and they pull just a hair less. Stock is around 11-12 lbs/min but the intake air temp is colder with a stock intake.
 

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Stock is around 11-12 lbs/min but the intake air temp is colder with a stock intake
Now that's pretty interesting.

Nick C.
 
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Not too surprising... stock intake grabs air from over the headlight, so it's going to be pretty cold. Then the stock pipes are thick plastic (read: good insulation). Cobb/Ganz is really thin metal, which transfers heat a lot better.
 

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00 RS & GSX-R 750
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I have some heat shield wrap from Summit. I plan on doing to temp testing when the weather warms up. For guys that auto-x the intakes get up to 140 degrees when your sitting. I was thinking of bringing ice packs to the races this summer and chilling the intake between runs.
 
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