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Old 01-07-2019, 12:12 PM   #1
TXJoe
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Member#: 273104
Join Date: Feb 2011
Default D Street Setup

Help me setup my 2018 STI for D Street. I've ran 5 events and did multiple runs with instructors and all of them have said I am doing great, it is just my tires that are holding me back. This is my daily driver so I do not want to go overboard with mods or move up classes just yet.

As far as a set of track wheels, I am thinking of 18" RPF1's. What tires have you all had luck with?

Should I do front or rear sway bar? I have a mustang so I am use to oversteer and prefer it. However, which bar will make the STI feel more neutral? Also, what size should I look at getting?

Would you recommend upgrading shocks/struts or just keep oem?

I am thinking about getting a COBB catback and upgrading the brake pads as well.

And of course an alignment.
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Old 01-07-2019, 12:45 PM   #2
AustinTX
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Member#: 23954
Join Date: Sep 2002
Chapter/Region: TXIC
Location: ATX
Vehicle:
06 STU STI
'15 BRZ

Default

Go with a bigger front bar. Rear bar can help with entry rotation, but it will ruin corner exit by unloading the inside rear tire and reducing the ability to put power down.

Tires should be Bridgestone RE71R for this car in street class form. They can handle camber limited cars much better than the BFG Rivals, not many other tires that are actually competitive in autocross.

OEM struts are fine.

I'd start with max front camber, zero toe all around.
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Old 01-07-2019, 04:22 PM   #3
TXJoe
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Join Date: Feb 2011
Default

Thank you so much for the help!
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