You don't have to replace both
Stability Enhancement - Increased surface area improves high-speed vehicle dynamics
No cutting or welding of the exhaust components themselves—just use the factory mounting points
and potential terminal contact with surrounding components — all of which can lead to electrical failures or worse
Sturdy and durable construction – replaces fragile factory plastic with billet aluminium for superior resistance to heat aging
M3 E46 38mm Purple People Eater Blade-Style Race Adjustable Sway Bar Audi RS3 Sedan You don't have to replaceThe same bar on Adam LZ, Andy Hateley, Chelsea Denofa, and tons of pro's cars! SLR 38mm blade style alloy steel anti roll bar. Specifically designed for mounting to the control arms to avoid pre load, decouple, & variable rate problems associated with strut mounted links. *Candy Purple is the color shown in the image. SINGIFICANTLY BETTER than the last design. More clearance, lighter, and stronger. For both race & drift cars. This is stiffest front