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656 Posts
alright..so i'm sure everyone has wondered what the hks catback sounds like when bolted up the vibrant 4-2-1 header..i myself have installed this on my 07 hatch and i absolutely love it..the power gains are intense. and i mean that..im sure all of us at point wondered what these 2 great companies would like sound like together on our mazda 3's and we've all searched youtube to try and listen for it..andd nobody has ever made a video...so after installing the header..i took a video for myself for everyone else to benefit from..keep in mind if you plan on doing this setup, you will be running catless..unless you install you install your own cat...but thats up to you of course..anyway my setup is with no cats and the power gains are really great i kid you guys not..soooo much less restrictive, i cant even explain it..the hks piping is 2.5 inch which is just perfect for our car..it may seem a little too wide in diamater and i even thought for myself that i was going to have almost no backpressure and lose all my low end torque, but surprisingly, no !!! the hks does have a resonator and 2 mufflers and backpressure is absolutley not a problem..any bigger piping and there would be a problem..the guys at hks really engineered this exhaust so well..i know its nothing special but a bunch of pipe, but they engineered it well !! enjoy everyone.......
Oh and feel free to ask me any questions
http://www.youtube.com/watch?v=I95gjjbVTvU
http://www.youtube.com/watch?v=C4-ar2PinRM
Oh and feel free to ask me any questions
http://www.youtube.com/watch?v=I95gjjbVTvU
http://www.youtube.com/watch?v=C4-ar2PinRM