- one of the RDX guys used an off the shelf twin tip to finish his custom exhaust Mine was also custom built by a local shop here in Denver.
If you haven't seen it already , here is his thread and i posted pics of my twin tips on post # 33 Custom 3" exhaust in the works - AcuraZine Community

Hi, I'm fairly new to RDX's and I really like your quad tip exhaust, it is this custom made one of a kind or is there a company that makes these?

Is there a way to adjust the stock sub to produce more bass? In your post on the one thread it seems like you hint at that.

thanks alot - i'll see if i have some more pics .

its a custom exhaust - catback 2-1/2 " - all mandrel bent - free flowing muffler - deep low rumble .

it increased low and midrange torque response

The quad tips look great. What muffler did you use? More pics of the exhaust system please.

thanks - appreciate it

Like your exhaust, looks well made.