2005 wrx modifications
13 January 2009, 10:40 PM
#1
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2005 wrx modifications
Hi all what mods can i do with this car to give it more power am not looking into too much money but some things i can do to give it more power the car is completely standard
13 January 2009, 10:44 PM
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A decat exhaust system, panel filter and Ecutek remap by a good tuner, will be less than a grand and see 270-280bhp.
Don't forget to do something to the brakes and suspenders first though!
Don't forget to do something to the brakes and suspenders first though!
13 January 2009, 10:50 PM
#6
As Rob said, i wouldnt worry about an induction kit unless you get a full cold air feed jobby. Just a decent panel filter for your standard airbox will see you right.
A chip? Not a fleabay chip, no.
Get a ecutek remap from one of the mappers on here for biggest gains.
A chip? Not a fleabay chip, no.
Get a ecutek remap from one of the mappers on here for biggest gains.
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14 January 2009, 12:36 PM
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I've modded my 05 WRX without spending silly money. The best start is, as said, exhaust and remap. Start by removing the 2nd downpipe cat, the backbox and maybe the centre pipe (for a bit more noise), then remap. You should get an extra 40-50bhp.
Don't bother with an induction kit. The standard airbox is better than one unless you are running supercar power. A performance panel filter is ok but don't expect huge gains.
A remap is a bit like chipping except is uses the car's original ECU which is well up to the job, so leave chipping to the boy racers in their crappy cars.
The biggest gain per £ for me was replacing the rear anti-roll bar and drop links. For around £150, the car handles so much better.
Don't bother with an induction kit. The standard airbox is better than one unless you are running supercar power. A performance panel filter is ok but don't expect huge gains.
A remap is a bit like chipping except is uses the car's original ECU which is well up to the job, so leave chipping to the boy racers in their crappy cars.
The biggest gain per £ for me was replacing the rear anti-roll bar and drop links. For around £150, the car handles so much better.
14 January 2009, 10:59 PM
#11
In my view either decat downpipe or if you like it to pass mot use a prodrive or similar sports cat which can be found on here or on ebay, and similar rest of exhaust then filter and remap inc fuel pump,
15 January 2009, 08:52 AM
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I too have a standard 2005 wrx wagon, really wanted a nicer rumble so was considering a milltek rear box and center section hooking up to standard subaru downpipe and a new k&n panel filter
Just wondering if it would be safe to run this setup without any other mods
Jas
Just wondering if it would be safe to run this setup without any other mods
Jas
15 January 2009, 04:26 PM
#13
I too have a standard 2005 wrx wagon, really wanted a nicer rumble so was considering a milltek rear box and center section hooking up to standard subaru downpipe and a new k&n panel filter
Just wondering if it would be safe to run this setup without any other mods
Jas
Just wondering if it would be safe to run this setup without any other mods
Jas
15 January 2009, 04:49 PM
#14
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Im going down the same route now with an 05 WRX Wagon after speaking to scoobyworld and others, as it sits I bought a induction kit used it and then sold it on ebay went back the the airbox and green cotton filter full decat system (which can be used without an immediate remap with no engine damage) walbro pump,
without the remap they say about 30-35bhp increase
with the remap 60-70 but with more drivability and torque to boot
so that will be nice according to 2 respected mappers 300 bhp isnt too hard to come by from a WRX ??? and it wont cost a fortune!!!
remaps quoted £500 + VAT so thats not the cheapest part but it seems the most worthwhile
without the remap they say about 30-35bhp increase
with the remap 60-70 but with more drivability and torque to boot
so that will be nice according to 2 respected mappers 300 bhp isnt too hard to come by from a WRX ??? and it wont cost a fortune!!!
remaps quoted £500 + VAT so thats not the cheapest part but it seems the most worthwhile
15 January 2009, 06:15 PM
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Can be fitted without a remap, but will only give you 5-10bhp.
This is the centre pipe for more noise: Impreza Turbo 2001-2005 New Age : Subaru Impreza Afterburner Stainless Steel Centre Section
Take your pick from back boxes. They make the biggest difference when it comes to noise.
This is the anti-roll bar: Scoobyparts Ltd WHITELINE UPRATED ANTI-ROLL BARS (NEW AGE)
And drop links: Scoobyparts Ltd WHITELINE UPRATED REAR 'WIRE' DROP LINKS
(alloy ones are also available for a few more £. They do the same job, but look nicer if you spend a lot of time looking under the rear of your car!)
The standard fuel pump is good for up to around 300bhp, a nicely modded WRX will be 280-290bhp, so a Walbro is advisable but not imperative.
16 January 2009, 08:04 AM
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16 January 2009, 08:40 PM
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The turbo is a TD04 which is only good for around 290bhp. To get more you need a VF turbo and there are lots of variations.
The engine is a EJ20. GC8 is the chassis code.
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