This electric dump kit connects to any standard 3 inch collector including all of the following Pypes products regardless of the size of your exhaust system. In flow tests, our standard valve opening performed just as good on 3 inch and even 3.5 inch exhaust systems. Because we only make one valve, we have been able to lower the price without sacrificing quality or longevity!
Features:

• 3.0 Inch
• At The Track Open Them Up For Full Flow And Extra 10-15 HP
• At The Stop Light Open Them Up - Check Local Noise Ordinances
• CNC Machined Billet Aluminum
• High Quality Motor
• 5 Year Warranty
• Made in USA
• Sold As: Kit