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Old 08-09-2003, 01:51 AM   #1
Visiting NASIOC Timeout
Member#: 40648
Join Date: Jul 2003
Location: Ontario, Canada
2004 STi
Blue, of course

Question "subiegal" ? Anyone? Any definitive answers on STi mods voiding the warranty?

I'm just wondering if we have anything official on mods that will/won't void the warranty on the car.

I was thinking pretty straight forward stuff:

-K&N drop-in filter
-lose the snorkel and draw cold air directly from the top of the fender
-blow-off valve change to something that vents (at least partially) to atmo so I get some better noise.
-after market exhaust with either a catless turbo back section or else a stock up-pipe with drilled-out cats.

I can't see the warranty being voided by the K&N- they even say OEM approved on the box!

I guess I could always just cut open the snorkel piping INSIDE the fender allowing it to draw colder air in there, and then leave the rest of the pipe intact. I'd cut it open right at the top where it goes into the engine bay so the whole resonator box setup will be negated. Won't be visible for routine work and I can replace the pipe before going to the dealer if anything is ever broken.

A drilled out cat upper pipe should be undetectable too, so I guess I'm worried about the BOV and cat-back exhaust.

Anything official from within Subaru? I have a hard time seeing they could actually void the warranty with any of this since they themselves sell performance upgrades through most dealers...
but that's just my $0.02

....if it matters at all, I'm way up here in snowy ( ) Canada.....

SportyBry is offline  
Old 08-09-2003, 06:26 AM   #2
Scooby Newbie
Member#: 32643
Join Date: Feb 2003


i have a 03 wrx and i asked the dealership this question

basically they said that u can do mods to your car

but if your car breaks down and they trace it back to the mods

then it voids the warranty and you'll have to pay for the repairs out of your own pocket
BMWRX is offline  
Old 08-09-2003, 08:16 AM   #3
Scooby Specialist
Member#: 13533
Join Date: Dec 2001
Location: N37 39* W122 3*
04 sti



look, think logically here.

say you install a new radio. then your turbo goes out. guess what? you got a claim.

now if say the HVAC goes out. they trace it back to a bad install of the new radio, you are charge for diag fee, and everything else.

now there are dealers that one look at you car, they will refuse to work at it, talk to the service dealer.

if they still refuse, find another dealer and email SOA.
ldivinag is offline  
Old 08-09-2003, 08:28 AM   #4
Scooby Specialist
Member#: 7764
Join Date: Jun 2001
Chapter/Region: MAIC
Location: State of Confusion
11 Edge Sport
Kona Blue Metallic


UHHHHHHHHH.....Stock uppipe allready catless in the STi.......
SilverBoosted is offline  
Old 08-09-2003, 10:09 AM   #5
Scooby Specialist
Member#: 10972
Join Date: Oct 2001
Chapter/Region: South East
Location: Tampabay, Florida
2004 STi (fuxor3d!!)
2004 Forester X


It all depends on the dealership too. I've never had any problems with any reasonable claims on my modified car but others aren't so lucky.
lstepnio is offline  

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