Originally Posted by wmuflyboy
I have a 2011 VW GTI 4-door. I know a hatchback is great for one of these tubes. But I need advice or suggestions on which one I should buy. Im thinking I want the 10 inch but dont know if I should get the 100w or 250w. Help me make a decision pleaassee and thank you!
The BTA10100 is a great upgrade to the existing factory system. Using the FAST Harness simplifies installation. However, if you would like to adjust crossover levels or are even thinking about upgrading the existing system, you should choose the BTA10250D. Variable crossover (versus fixed for the BTA10100) and the ability to add a slave unit down the road (which means adding another 10" Tube) lays down the groundwork for your future upgrades. Keep in mind, the FAST System is not compatiable with the BTA10250D. You will need to purchase an amplifier installation kit to install the Tube, or have it installed by a professional installer if you are not comfortable with doing the installation yourself.