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Joined: Dec 2004
Posts: 419
vcel523
Senior Member
vcel523 Feb 16, 7:38pm - #401619 

Senior Member
2003 Toyota Celica GT

Joined: Dec 2004
Posts: 419
Los Angeles, California
Intake question

So I just took out my butterfly valve, sounds great! If I were to put a K&N filter in, I know it still wouldn't be as deep as a Short Ram. Why is that? Also, would no butterfly + a K&N still be as much of a gain as a Short Ram?
Joined: Apr 2003
Posts: 1,899
Gen7fan
ThE iRoN mAiDeN
Gen7fan Feb 16, 9:50pm - #401620 
2003 silver streak Toyota Celica GT
ThE iRoN mAiDeN
2003 Toyota Celica GT

Joined: Apr 2003
Posts: 1,899
Maryland
No, you gain 1-2hp, a Short Ram gets you around 5hp. Why not as loud, no metal pipe to resonate.
Joined: Jun 2004
Posts: 3,748
hombredelassrtas
CF Connoisseur
hombredelassrtas Feb 16, 11:01pm - #401621 

CF Connoisseur
2004 Toyota Celica

Joined: Jun 2004
Posts: 3,748
Gainesville, FL
what he said smile i had both. ahve rmm SRI now and it soudns so awsome. deff allot laouder then stock box-bfv. The difference is stock si all plastic, with many ridgeds, and has that whole box thing at the end smile The SRI is jsut a metal pipe with a filter at the end. You really hear the engine wih it. ps sorry for bad typing i am at work and keyboard sucks smile

[Linked Image]
Joined: Dec 2004
Posts: 468
GTS_Rosh
Senior Member
GTS_Rosh Feb 16, 11:09pm - #401622 

Senior Member
2004 Toyota Celica

Joined: Dec 2004
Posts: 468
Vancouver, BC, Canada
Taking it out the butterfly valve doesn't get you any HP at all. I think SCC did that on there project car and it showed no gains at all. But it just gives you that mean sound down that everybody loves. Adding in a K&N filter will give you like the others say a few extra HP, which is worth it.

The reason SRI is still louder is because it eliminates all the factory tubing and replaces it with a much larger metal piping, which resonates and sounds a lot louder, plus you get more HP gain out of it.
Joined: Dec 2003
Posts: 487
GTS2003BLK
Senior Member
GTS2003BLK Feb 16, 11:20pm - #401623 

Senior Member
2003 Toyota Celica

Joined: Dec 2003
Posts: 487
Portland, Oregon
^ Your right:

Project Celica: Part 2
The Dawn of Celica Tuning

http://www.sportcompactcarweb.com/projectcars/0010scc_projcelica/

"Last month we tried removing the flap door assembly and thought we felt a significant improvement in both power and drivability, but subsequently found no power on the dyno. We then tried swapping the flap door in and out without telling the driver and found that nobody could really tell the difference. Our conclusion? Taking out the flap door doesn't hurt, and may or may not improve drivability."

Here are parts 1 and 3:

http://www.sportcompactcarweb.com/projectcars/0009scc_projcelica/

http://www.sportcompactcarweb.com/projectcars/0106scc_projcelica/

Joined: Dec 2004
Posts: 468
GTS_Rosh
Senior Member
GTS_Rosh Feb 19, 7:24am - #401624 

Senior Member
2004 Toyota Celica

Joined: Dec 2004
Posts: 468
Vancouver, BC, Canada
^ Yeah that's the exact report I was talking about! smile
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