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Some claim more HP with the X-Pipe, Bassani has a good one, where
it helps a lot is the gurgal and poping sound when you let of the gas. :cheers:
:iagree: The biggest difference it made on mine was that it eliminated about 90% of the popping and gurling on deceleration. I recommend the X-pipe unless you like the added sounds on deceleration. The X-pipe seemed to smooth the exhause out a little.
Dad just got the Borla Twin Tip stingers installed with no x-pipe. They sound awesome. Very little popping on deceleration (we were both kinda sad about that but oh well). They produce no noise in the car while cruising. I don't think you need the x-pipe.
There are two systems that do not need an X-pipe. One is the Z06 Ti's and the other is Magnaflow. While it does stop the rat-a-tat-tat on deceleration, it turns the volume down. The system that needs it most is Corsa. As for HP gain, don't expect anything and you won't be disappointed.
The xpipe will also eliminate the motorboat sounding idle on the corsa indy's. I still have some popping on decelleration after the xpipe on my borlas but I love it.
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