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Old 01-17-2018, 11:05 PM   #1
Tyler7861
Scooby Newbie
 
Member#: 480189
Join Date: Jan 2018
Default Beginnerís Guide to building.

The purchased my 04 WRX wagon in November and would like proper education on how to make more power and enjoy the car. Nothing crazy but just a little fun.
The car came with:
Kingís springs
Cobb AP2
Cobb exhaust.
Iím not exactly sure how much of the exhaust is completed. Slight rumble nothing obnoxious yet not the right tone or sound Iím looking for.
Just notice the down pipe and axle back says Cobb.
I was informed Intake exhaust should be the first place to start. Any tips or advice would be fantastic. If there is a thread already made please share it!
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Old 01-19-2018, 01:56 PM   #2
Nettalp
Scooby Specialist
 
Member#: 93812
Join Date: Aug 2005
Chapter/Region: SCIC
Location: Huntington Beach,CA
Vehicle:
2004 Wrx wagon
Platinum Silver Metallic

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Tyler,

Welcome to the forum and to the suby world. No one here will serve you a platter of the information your seeking. Like all of us, learn to search and seek out your information. Plenty of input and valuable information I have acquired here with being 10 years involved.

Onto your car mods. You have a great exhaust setup from a reputable company. Cobb makes great products. If you want more sound, then go with Blitz exhaust products. Secondly, the Accessport V2 will have downloadable maps for you to flash over to your cars ECU. There may be already a map flashed but thats up to you to find out. I would skip the intake as most require a custom map to calibrate the Maf changes. I you want more power. Best and easiest solution would be to find a reputable tuner in your area or remotely that can send you a custom tuned mao specifically for your vehicle.
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Old 01-19-2018, 09:05 PM   #3
bobjr94
Scooby Specialist
 
Member#: 6176
Join Date: Apr 2001
Chapter/Region: NWIC
Location: Roy,WA
Vehicle:
15 WRX, 04 wrb STi
85 wrb BRAT

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Is it a full exhaust or just the back section ? Changing the turbo downpipe from the original one will gain a nice amount of power.

Also an 04 wrx should have a catted turbo up-pipe, unless it's been changed already. That would be the first thing I would change, it will gain you a little hp, a slight increase in mpg, and the turbo will come to boost alittle sooner and protect your turbo from failing if the cat ever goes bad. So no downside and many positive reasons.
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