Gmansontos Posted January 21, 2015 Report Share Posted January 21, 2015 I have a small size SUV, and Im trying to run two 18" subs that need a (xx) minimum volume in a standard vented box. To achieve this I need to face subs up and vent up. Now I've always faced subs and vent towards rear. And a lot of people keep telling me to face subs up and vent towards rear. What I want to know is, is it that much of a difference. And if there is that much of a difference what about compared to two 15" subs faced up vent towards rear. As this I can achieve. (two 18" subs, subs and vent faced up) -VS- (two 15" subs, subs faced up vent towards rear)?? Quote Link to comment Share on other sites More sharing options...
Gmansontos Posted January 21, 2015 Author Report Share Posted January 21, 2015 These would be (X 18's) or (X 15's) by the way. Quote Link to comment Share on other sites More sharing options...
Dan2427 Posted January 21, 2015 Report Share Posted January 21, 2015 I had a Jeep Grand Cherokee and did subs up port up about 10 inches from the roof. Shit got real nasty. Best/loudest set up I've had I say go for it as long as you have plenty of air space. Quote 2003 GMC Yukon Denali Alpine CDA 117 Redoing Mids/Highs 4 Runs of 1/0 Knukonceptz 2+, 2- 4 Deka 9A31's in back (Stock underhood) 250 amp Alt. AQ20K 2 18" Crossfire XS V.2's 12 cubes 33hz 149sq inches of port! Link to comment Share on other sites More sharing options...
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