HELP , I need a confirmation rear diff

Dji · 06-23-2008, 01:30 PM

Hi ,
My rear diff is broken and I need another one ASAP .

I have found a Rear diff + both axles for a good price but Its a diff with the 4.44 gear ratio and I dont know If it will fit on my 2004 USDM STI .

Anyone can awnser me I need to get the diff tonight and change it tommorow .

Thanks in advance
Martin

upncummr · 06-23-2008, 01:34 PM

Does that differential ratio match your existing ratio?

Does it match the ratio of the front differential?

I don't believe you can mismatch ratios without serious problems.

According to 2004 Subaru Impreza WRX and STi spec page the final drive ratio in 2004 was 3.90.

Gary

Mexitr0n · 06-23-2008, 01:36 PM

I have a diff from an 05, it has 40k on it. P.M. me if your interested.

06-23-2008, 01:30 PM	#1
Dji Junior STI Driver Car: 04 White STi Location: Montreal, QC Posts: 73 Join Date: Apr 2007 Trader Rating: (1)	HELP , I need a confirmation rear diff Hi , My rear diff is broken and I need another one ASAP . I have found a Rear diff + both axles for a good price but Its a diff with the 4.44 gear ratio and I dont know If it will fit on my 2004 USDM STI . Anyone can awnser me I need to get the diff tonight and change it tommorow . Thanks in advance Martin This ad is not endorsed by this member. Please register or login to hide this ad.

06-23-2008, 01:34 PM	#2
upncummr Spec C Club Car: '05 CGM Fav Mod: HPDEs Location: Omaha, Nebraska Posts: 1,193 Join Date: May 2006 Trader Rating: (3)	Re: HELP , I need a confirmation rear diff Does that differential ratio match your existing ratio? Does it match the ratio of the front differential? I don't believe you can mismatch ratios without serious problems. According to 2004 Subaru Impreza WRX and STi spec page the final drive ratio in 2004 was 3.90. Gary

06-23-2008, 01:36 PM	#3
Mexitr0n Silver Member Car: 06STi Fav Mod: Humiliated n00bs Posts: 2,734 Join Date: Oct 2005 Trader Rating: (2)	Re: HELP , I need a confirmation rear diff I have a diff from an 05, it has 40k on it. P.M. me if your interested. This ad is not endorsed by this member. Please register or login to hide this ad.