New Exhaust
 

I am planning to upgrade the stock exhaust on my 2002 Porsche Boxster S. Are Magnaflow cat-back exhausts worth checking out? Any other suggestions?

Not cheap but Brombacher Sound version not overly loud nice tone no drone.

installing brombacher this Fri. on my 02 s I just wanted a little more so I only purchased the muffler. I hear no drone which is important to me . 1309.06 out the door msrp 1812.92 says the invoice from FVD. you will talk to Rhonda been there 15 yrs. Very nice and knowledgable. I can let you know Mon how it is IMO

Brombacher is popular among the 986 cohort

To the OP what are your expectations of an " upgrade " ? Do you just want more sound ? More performance ? Lighter weight ? On my S I have had the stock muffler , a Dansk sausage muffler , a GHL twin can , a Mille Miglia single can and now running a stock muffler with a home done PSE . All of the aftermarket mufflers I have used are louder and lighter than stock . But not any noticeable performance gains on the Dyno . The GHL like most twin can mufflers had noticeable drone . The Dansk was almost as quiet as stock with no drone.

So far the Mille Miglia has been the best compromise for my setup . It is 10 lbs. lighter than stock , is single can with just a tiny amount of drone. I am going to try wrapping the muffler and install some exhaust inserts into the tips to see if I can lower or eliminate the tiny bit of drone .

Currently I am running the stock muffler modified to mimic the PSE from Porsche . Between 3K - 4K it is LOUD !!! I didn't expect it to be this loud so going to experiment with the MM . My engine is a unique Jake Raby build it is a 3.6 short stroke . Between that and the way he set the cam timing the engine has a very unique exhaust cadence . Good luck with whatever you purchase but be wary of claims of big power just by changing the muffler .