Sedan Nameless Muffler Install - Page 2 - 5th Gen Subaru Impreza Forum
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post #11 of 24 (permalink) Old 04-03-2019, 07:31 PM
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Yeah, the air filter really did reduce the noise when at the low rpm range. You can tell a difference. Sounds better if you ask me. Iím also going to buy a Crawford Eco block. It increases horsepower and fuel economy. Iím just doing it for the fuel economy. And the link below is the one made specifically for our car if youíre interested.... https://crawfordperformance.com/coll...ts/ecoblock-q1
Snake oil...will do absolutely nothing IMPO.
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post #12 of 24 (permalink) Old 04-05-2019, 06:52 PM
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I just finished installing the Crawford eco block, and I can tell you that it works. It’s not a significant gain, but you can feel the difference in how fast it is. Say what you will, but until you tried it, you’ll know the truth.
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post #13 of 24 (permalink) Old 04-05-2019, 06:59 PM
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Do they have dyno sheets showing the HP gain for the Eco Block? I'd be curious to see if it really makes a difference other than "felt" gains.
Crawford has dyno sheets on their website.
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post #14 of 24 (permalink) Old 04-05-2019, 07:02 PM
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Itís a placebo affect my friend. The throttle body spacer and cai guys all say the same thing. And I didnít see any dyno sheets for this platform.


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post #15 of 24 (permalink) Old 04-05-2019, 07:15 PM
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It’s a placebo affect my friend. The throttle body spacer and cai guys all say the same thing. And I didn’t see any dyno sheets for this platform.


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I’m just saying that it works. Here’s a dyno sheet
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post #16 of 24 (permalink) Old 04-05-2019, 07:20 PM
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For one thatís an Sti. 100% difference from your engine. And youíre not going to see that much of a gain by spacing the maf. If that was the case the manufacture would do it from the factory would have done it being that our engines have some of the lowest power in the segment.

They did something else to mod those dyno numbers.

Take it off and take YOUR car to the dyno and do a before and after you wonít see crap.

But as long as youíre happy.


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post #17 of 24 (permalink) Old 04-05-2019, 07:23 PM
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For one that’s an Sti. 100% difference from your engine. And you’re not going to see that much of a gain by spacing the maf. If that was the case the manufacture would do it from the factory would have done it being that our engines have some of the lowest power in the segment.

They did something else to mod those dyno numbers.

But as long as you’re happy.


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For one, it’s the same device. Do you know anything about cars? And Crawford has been making these for years now. They’re sold out too. And I am very happy, thank you....
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post #18 of 24 (permalink) Old 04-05-2019, 07:55 PM
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I do. And thatís why I know it would have a totally different affect on a forced induction engine as it would yours

And that just shows there are a large number of saps. And throttle body spacers have also been made for years.

Put your car on a dyno and come back and you will make me a believer.


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post #19 of 24 (permalink) Old 04-05-2019, 08:29 PM
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I do. And that’s why I know if has a totally different affect on a forced induction engine as it does yours [IMG class=inlineimg]/forum/images/smilies/smile.gif[/IMG]

And that just shows there are a large number of saps. And throttle body spacers have also been made for years.

Put your car on a dyno and come back and you will make me a believer.


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Fair said because I’m not gonna spend money on getting it to the dyno just to prove someone wrong. But for $50 it doesn’t hurt to put it on your own car, and it just makes me sad that people will say anything to hurt a good company. I don’t get how it would not work. A maf sensor can affect a car in so many ways. It can even cause a car to stop working if it’s not set up properly.
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post #20 of 24 (permalink) Old 04-05-2019, 08:32 PM
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That it can if it functions improperly. But spacing it back 1/4in or what ever length the spacer is will do nothing.

Like I said, if it did ALL vehicle manufactures would be molding their intake tubes to move the maf.

Nothing against the company. They found a way to make money and took advantage of it. You think that 3D printed spacer costs more than $2?
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