This Steeda adjustable rear sway bar does not replace the stock rear sway bar. It works in tandem with the rear bar. A must have bar to tighten the rear of your car. Price- $85 or best offer, Steeda sells this for $129. Fits-Mustang 79-04 Condition-New, never been installed. Shipping-Sent through USPS Priority 2-3 Day so you will get your items fast. Payment-PayPal only *Would like to sell local. Shipping cost may be too expensive to ship.