When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I'm not sure but I'm pretty sure its a 6.5". Also for my `97, there wasn't any lowpass filters at all (including the factory sub), only a highpass on the front tweeters.
I hope this helps.