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Discussion Starter · #1 ·
I am trying to install some 5.25in Infinity Kappa speakers in the front doors.

The screw hole pattern on the stock is a triangular 3 hole shape whereas the new speakers have a square 4 hole pattern.

Also they simply just don't fit.

Has anyone on here done this install themself? Can anyone here give me some pointers on this installation?


Senior Member
652 Posts
Well, this is definitely in the wrong section........ I moderate the car audio section of Supraforums and am fairly quick at responding to questions such as this..

Luckily I caught it...I'll lend a tad bit of advice.

The stock front speakers are 4" and a 3 hole pattern. You should be able to "redrill" and mount a decent aftermarket 4" in the stock speaker housing. A 5.25" speaker will not work unless you do some modifications to the stock housing. (ie. cut it!)

I sell a speaker mounting plate which bolts up to the stock mounting locations and will hold up to a 7" speaker. It removes the factory grill and truly fixes the stock front speaker "problem" in the MKIV. About $150 plus shipping. I could make the plates for your 5.25" speakers if you wish also.

Can you believe they put that HUGE grill on the door just to put a 4" speaker under it??

Hope that helps somewhat....

Thomas Kenyon
Custom Sounds
San Antonio, Texas
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