How much does this cost to the nearest dollar?

Dorman Manifold Converter - Not CARB Compliant Compatible with Select Nissan Models (Made in USA)
This catalytic converter with integrated exhaust manifold - a.k.a. manifold converter - is precision-engineered to match the original equipment on specific vehicle years, makes and models for a reliable replacement. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. Nissan Sentra 2007, 2008, 2009, 2010, 2011, 2012 Direct replacement - this manifold converter is designed to match the fit and performance of the original equipment on specific vehicles Convenient kit - includes gaskets and downpipe hardware to simplify installation Durable construction -manufactured within strict tolerances for reliable longevity Trustworthy value

Price is $674.00
Price: $673.95