PRODUCT DETAILS
Bilstein B6 Performance Shocks - 2004-2008 Acura TSX
The CL9 TSX is a genuinely good chassis let down by twenty-year-old dampers. If yours has gone floaty over undulations, keeps moving after a bump, or has started leaking, the shocks are done. These Bilstein B6 units are the fix, and they're the rare upgrade that makes the car handle better without making it worse to live with. Monotube gas pressure construction, valved specifically for this car, sold individually so you buy what you need.
Sold Individually, Buy What You Need
Worth knowing up front, because it saves people money.
Each shock is sold separately, front or rear, driver or passenger. So if one corner has blown and the rest are fine, replace that one. No buying a full set to fix a single failure.
That said, be honest about the rest of them. Dampers wear gradually and they wear together, so if one has failed on a car with two decades on it, the others aren't far behind. Replacing in pairs at minimum keeps the car balanced side to side, which matters more than people think. A fresh damper on one side and a tired one on the other means the car loads unevenly.
Most people doing this properly end up doing all four. But you're not forced into it, and that flexibility is genuinely useful when one corner takes a hit.
Why Monotube Matters
This is the technical difference behind the B6, and it's a real one.
A monotube damper puts the piston and the gas chamber in a single tube, separated by a floating divider. That layout gives you a larger piston area and, more importantly, keeps the oil and gas from mixing under hard use. Twin-tube dampers, which is what most factory shocks are, are more prone to aeration when they're worked hard, and aerated oil means inconsistent damping. That's the fade you feel on a mountain road when the car starts floating after twenty minutes.
Monotubes also dissipate heat better, since the working chamber is in direct contact with outside air. On a car that gets driven hard or sees rough roads, that consistency is the whole point.
Firmer, Not Harsher
Being straight about what these do to the ride, since that's everyone's first question.
The B6 is Bilstein's performance damper, and it's noticeably firmer than a worn factory shock. It controls body motion better, the car settles faster after a bump, and it feels considerably more composed when you're pushing.
What it doesn't do is beat you up. The B6 is designed for street cars and it's valved to work with factory spring rates, so you get control without the crashiness of a track damper. Compared to a tired original, most people find the car more comfortable, not less, because a shock that isn't controlling the spring properly means the body keeps moving long after the bump is behind you.
Built For This Car Specifically
These are valved for the CL9 TSX rather than being a universal damper that happens to fit. Bilstein develops and road-tests applications individually, which is why they work with the factory springs instead of fighting them.
That matters if you're keeping the car on stock or near-stock springs, which is most TSX owners. You get the handling improvement without needing to change anything else.
Fitment
2004-2008 Acura TSX (CL9)
Front: BIL-24-107303
Rear: BIL-24-107310
Each shock sold individually. Select front or rear at checkout.
Who Should Run These
This is for the TSX owner whose dampers have given up, and for anyone who wants the car to feel tight again without turning it into something they can't daily. It's one of the most transformative things you can do to a twenty-year-old car, because worn shocks affect everything, braking, turn-in, stability, and ride quality all at once. Order what you need, do them in pairs at minimum, and rediscover what this chassis can do.
Fits: 2004-2008 Acura TSX (CL9). Type: Bilstein B6 monotube gas pressure damper. Part numbers: BIL-24-107303 (front), BIL-24-107310 (rear). Sold: individually. Valving: vehicle-specific, designed for factory spring rates.
2004-2008 Acura TSX