Shopping Cart Checkout Order Confirmation Checkout Continue shopping “MegaSquirt 3 ECU with MS3X Expansion” has been added to your cart. Product Price Quantity Total Add $156.02 to your cart in order to receive free shipping! DIYPNP Upgrade: Sequential Injection KitDP_SEQMOD-K Price $43.99 Qty DIYPNP Upgrade: Sequential Injection Kit quantity Total $43.99 × MegaSquirt 3 ECU with MS3X ExpansionMS3X357-C_BL Price $699.99 Qty MegaSquirt 3 ECU with MS3X Expansion quantity Total $699.99 × Have a coupon code? Empty Cart Cart totals Subtotal $743.98 Tax $0.00 Total $743.98 - Proceed to checkout