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#7: 05-06-2007, 11:12 AM
 
 BlackHole
Title: Mad Scientist
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Location: Plainfield, IL
Car: 05 LGT RBP 6MT wagon project
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Thanks for posting this, it makes a lot more sense than what I've divined from reading threads.

Quote:
Can I use JDM springs on USDM stock dampeners?
...however I do not believe USDM springs can handle stiffer lowering springs.
Minor typo, should be dampeners?

Quote:
What about aftermarket Bilstein HDs?
The bigger mystery is the difference in price ... My guess is the proprietary dampening and stricter quality control.
My opinions: Price difference based on fewer middlemen / lower markups. In my opinion Subaru has very high part markups. For example, Brembo OEM front calipers through Subie are >$1000/pr, while similar OEM Brembos through Volvo are <$600/pr and a full Brembo front brake system (pads, calipers, rotors, etc.) for Mustangs can be purchased new for <$900.

The aftermarket Bilsteins likely have different damping rates and spec ranges than factory, but same quality control (different quality control systems would be unusual in manufacturing).

I wonder if they fit the USDM top hats?

just my $.02,
Kyle "BlackHole"