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When to Replace Your Shocks and Struts (And What Happens If You Don't)

Worn shocks and struts are dangerous and expensive to ignore. Here's how to tell when they're done.

By The Boost Garage Team · May 20, 2026

When to Replace Your Shocks and Struts (And What Happens If You Don't)

When to Replace Your Shocks and Struts

Shocks and struts wear out gradually — you often don't notice until they've been bad for a long time. Here's what to watch for.

How Long Do They Last?

  • **OEM:** 50,000–100,000 miles
  • **Performance replacements:** 50,000–80,000 miles

Rough roads, heavy loads, or off-road driving shortens this significantly.

Signs You Need New Shocks

1. Excessive bouncing — should settle in 1–2 bounces after a bump

2. Nose dive under braking — front dips hard when stopping

3. Excessive body roll — leans dramatically in corners

4. Cupped tire wear — wavy pattern = tire bouncing off the road

5. Oily leaks on the shock body

6. Clunking over bumps — worn mounts or blown shocks

What Happens If You Ignore It?

  • Stopping distance increases up to 20%
  • Tires wear out 2–3x faster
  • Handling becomes unpredictable
  • Ball joints, tie rods, and control arm bushings get damaged

Always Replace in Pairs

Both fronts or both rears — never just one side.

Our Recommendations

  • **Daily driver:** Bilstein B6 or Monroe OESpectrum
  • **Performance/Off-road:** Bilstein B8 or Fox 2.0

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