ST Suspension XA Height, Rebound Adjustable Coilover Kit for Toyota C-HR(18256017) 1510 System features an Active Valve

System features an Active Valve Exhaust valve

If your car has 1 tip on each muffler and you want to upgrade it to 2 tips on each muffler (also known as quad tips)

there's no opening/closing the valve from within the cabin

Atlas Turbo Downpipe (49-04093) by aFe

ST Suspension XA Height, Rebound Adjustable Coilover Kit for Toyota C-HR(18256017) 1510 System features an Active ValveThe ST XA coilover kit allows you to adjust the look of your vehicle with the stepless lowering. We manufacture the adjustable spring perch from a resistant and friction optimized polyamide composite material with stainless steel insert. Thanks to the composite material, in contrast to the anodized aluminium spring perches, possible oxidation is prevented. So you can permanently use the height adjustment of your ST XA coilovers. With our in 16 clicks