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QTP downpipe with e/cutout
I run the cutout and love it. Price was $449.00 shipped. This included a beautiful looking pipe, electric opener, opener switch, and all necessary wiring with directions. Pipe and cutout install was very straight forward. I just made sure I kept the electric lines away from the fuel lines and zip tied them securely in place under the car.
While the electric opener is in the closed position the exhaust is amplified slightly. It would be as loud as any other 3inch downpipe. But when the electronic opener is in the open position.... It's like running your exhaust straight from the header. Hp and tq numbers are greatly increased and the sound is overwhelming. It is so loud that you will draw the attention of every state and local law enforcement officer in the area. I shaved approx .3 off of my standing 1/8 mile time with this pipe. I love it. Although I think it's overpriced. On the good side, while open it acts as a full exhaust for me. The only thing I had to upgrade was my o2 housing to a 3 inch to prevent bottlenecking.
Keep in mind, I have this pipe on my SRT4. Haven't seen it on the WRX/STI yet.
P.S. There were a couple companies that offer this kind of pipe for my car but QTP was the only company that had them in stock and ready to deliver that day. I received my part in 4 or 5 days.
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