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<blockquote data-quote="spltuscon" data-source="post: 6533913" data-attributes="member: 611863">I&#039;ve done a 150.6 legal on the TL with a pair of Memphis CM12 D2&#039;s in an SUV so they can do it....that was a drop in test too, not optimized for them.O.P. you can get louder with what you&#039;ve got for equipment. A cheap pair of 12&#039;s can break a 145 legal on the TL... IF your box is right for the car. A larger box will give you higher efficiency and usually higher output for a given amount of power, but WinISD cannot accurately predict SPL levels inside a vehicle, trust me, I&#039;ve tested it. I personally like using cheap subs to compete because it shows that the box is more important (to a point) than the subs, and its fun to crush people that spent 3 times what you did //content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gifThere is some good advice offered among the flaming here...you should upgrade your wiring to 1/0 and do the big 3. It will help somewhat, in a similar way to how a box helps your subs: it allows your equipment to work to full potential.You&#039;ll get better advice if you can describe in detail or show us you current box.If 150 is actually your goal then you&#039;ll need to upgrade your amp, subs and optimize your box.</blockquote>

[QUOTE="spltuscon, post: 6533913, member: 611863"] I've done a 150.6 legal on the TL with a pair of Memphis CM12 D2's in an SUV so they can do it....that was a drop in test too, not optimized for them. O.P. you can get louder with what you've got for equipment. A cheap pair of 12's can break a 145 legal on the TL... IF your box is right for the car. A larger box will give you higher efficiency and usually higher output for a given amount of power, but WinISD cannot accurately predict SPL levels inside a vehicle, trust me, I've tested it. I personally like using cheap subs to compete because it shows that the box is more important (to a point) than the subs, and its fun to crush people that spent 3 times what you did [IMG]//content.invisioncic.com/y282845/emoticons/laugh.gif.48439b2acf2cfca21620f01e7f77d1e4.gif[/IMG] There is some good advice offered among the flaming here...you should upgrade your wiring to 1/0 and do the big 3. It will help somewhat, in a similar way to how a box helps your subs: it allows your equipment to work to full potential. You'll get better advice if you can describe in detail or show us you current box. If 150 is actually your goal then you'll need to upgrade your amp, subs and optimize your box. [/QUOTE]

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