Epic Engineering
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The best Epic Engineering parts for a Subaru STI or WRX are matched to how you drive: lowering springs for a sharper stance and flatter cornering, bump stops and bump stop bushings to keep travel controlled at full compression, and the 22mm rear sway bar to sharpen rotation on 2008-2020 cars. Every part here is a Subaru fitment, covering the 2004-2007 and 2008-2014 STI plus the 2008-2010 WRX.
Epic Engineering focuses on the suspension pieces that decide how a Subaru feels at the limit. Lowering springs drop ride height and reduce body roll while keeping a street-friendly ride, and they pair best with healthy struts. Bump stops are the unsung safety net: when the suspension compresses fully, the bump stop cushions the hit, and worn or mismatched stops make a lowered car feel harsh. Start with your chassis and year, since the 2004-2007 and 2008-2014 STI use different fitments, and browse the wider suspension range to plan the full setup. Check your year and model on each product page before ordering.
About the brands
Epic Engineering is a Subaru-focused suspension brand, and this collection shows its whole approach: lowering springs tuned for the STI and WRX, front and rear bump stops and bushings matched to those springs, and a 22mm rear sway bar for the 2008-2020 WRX and STI. It is a specialist range rather than a giant catalog, built around making the factory chassis feel more composed without a full coilover project.
Eibach is one of the best-known spring and sway bar names in the store, with lowering springs and anti-roll bars across many Japanese platforms. It is a useful comparison when weighing spring rates and drop amounts, since its catalog covers far more chassis than the Subaru-only Epic range.
Whiteline built its reputation on polyurethane bushings, sway bars, and alignment parts that correct the geometry changes lowering creates. Once ride height drops, its bushings and alignment hardware help restore the settings that keep tire wear and handling in check, so browse the suspension bushings collection alongside this one. TEIN is the go-to comparison for drivers considering a jump from springs to full coilovers.
For more background, read our guide to coilovers and springs for the WRX STI, then compare this collection against the full sway bars range.
Frequently asked questions
Will Epic Engineering lowering springs fit my STI?
There are separate fitments for the 2004-2007 STI, the 2008-2014 STI, and the 2008-2010 WRX. Match the listing to your exact year and model before ordering.
Do I need new bump stops with lowering springs?
It is strongly recommended. Lowering reduces suspension travel, so the bump stops engage sooner; fresh, correctly matched stops keep the ride controlled instead of harsh at full compression.
Is an alignment required after installing lowering springs?
Yes. Any ride height change alters camber and toe, so get a professional alignment after the springs settle to protect tire wear and handling.
What does the 22mm rear sway bar change?
A stiffer rear bar reduces body roll and helps the car rotate in corners, balancing the front-heavy feel of the WRX and STI. The Epic bar here fits 2008-2020 WRX and STI per its listing.