Topspeed 3" catalyser

[HaLo]

I have a question.  Is it normal that a 3" topspeed catalyser looks like a big resonator (just like a glasspack)?

[Karmasupra]

it is a big resonator, not a cat.  the quality and fit and finish on Topspeed products are very good.  I have one right now if you need pics please let me know.


-Paul

[HaLo]

So basically, if I'm looking for a 3" catalyser, who makes them?

[kandyflip445]

You're talking about the catalytic converter right? <img src="http://www.zilvia.net/f/iB_html/non-cgi/emoticons/eh.gif" border="0" valign="absmiddle" alt=':eh:'>
Random Technology does make one for the 240sx. The part number is 822530.
Here is a pic of the dynograph on a 300zx for a little comparison. I know it's a 6cyl. but it makes the point that one does help.
http://www.randomtechnology.com/images/zxtest_bg.gif