This is for a Tahoe. I pretty much know how to fabricate the pillar. I want to add a 4-5.25" speaker and some tweeters in each. How do I mount it tightly because I don't think the factory clips are strong enough to hold it in place?//content.invisioncic.com/y282845/emoticons/confused.gif.e820e0216602db4765798ac39d28caa9.gif
