KZ650/750 Mac 4-1 exhaust? Pics?

Well, my stock exhaust has cracked just behind the right muffler, so no more procrastinating on the exhaust purchase.

Seems as though Delkevic and Mac are the only "budget" choices?  I'm not super fond of how low the Delkevic hangs below the engine.  From the poor angle shots I've found of the Mac, it looks like it might tuck up under a little nicer... but it's hard to tell.

Does anybody have photos of it installed that they are able to share?  Also, I'm looking for confirmation that the center stand remains functional with the Mac.

Thanks!

My 750 had a MAC when I first bought it.  Check my build thread for a few photos, that unfortunately, don't show the clearance to the engine.  As I recall though, it tucks up half way tightly.

Header to engine clearance is one of my pet peeves, and like you, I don't like a header that hangs down too much.  I have a NOS Supertrapp header for my bike, which on paper sounds like the holy grail.  Problem, though, it hangs somewhat low.  Too low for my liking anyway.  That's why, in part, I stayed with the OEM exhaust for my bike.  It's not overly heavy, it tucks tight, and, in my opinion, it sounds great for an OEM system.  

I had a MAC (black) for years. No problem with centre stand. See 1st pic. 
Cant seem to find a pic from the other side.


When it needed replacement I went with a Delkevic. Pics 2&3. Also no problem with centre stand. I dont think of the Delkevic as being lower than the MAC but perhaps it is. No problem the past 4/5 years.  Close up/underneath pic is from today.  I did like the sound of the MAC though. A deep rumble. The Delkevic is louder but I have a short muffler. The Delkevic website currently shows a longer muffler on the 750E so may be a bit quieter. 
Hope this helps

 
 
 

Thanks for the pics JR, they are helpful... and interesting.  Your Delkevic looks good... seems like it doesn't hang as low as others I've seen online, this for example:



Budget Cafe Build E41: Installing the Delkevic Exhaust

Yes the one in the video does look to hang low. I wonder though if this was related to how they connected to the rear bracket to allow for the rearset ?. Hmmmm

wrote:

Well, my stock exhaust has cracked just behind the right muffler, so no more procrastinating on the exhaust purchase.

Seems as though Delkevic and Mac are the only "budget" choices?

 

MAC went out of business last year, or maybe it was the year before. Anyway, there might still be some of their stuff available but there won't be any vendor support.

EDIT: It was 2020. I bought the last '81 GPz550 MAC system for half-price at denniskirk.com in November 2020.

We just put a Delkevik on our 80' Suzuki GS 1100E. The centerstand works fine with the exhaust. The Delkevik doesn't hang too low. It's well made and it comes with a good centerstand stop. We're ordering a Delkevik with the megaphone muffler for the 77' KZ 1000 LTD. There was an issue with the capture nut that holds it into the muffler on the Suzuki system and Delkevik sent a new baffle right away. They told us to keep the other baffle, I might be able to reweld the capture nut on it and save it for a backup.

wrote:

Well, my stock exhaust has cracked just behind the right muffler, so no more procrastinating on the exhaust purchase.Seems as though Delkevic and Mac are the only "budget" choices?  I'm not super fond of how low the Delkevic hangs below the engine.  From the poor angle shots I've found of the Mac, it looks like it might tuck up under a little nicer... but it's hard to tell.Does anybody have photos of it installed that they are able to share?  Also, I'm looking for confirmation that the center stand remains functional with the Mac.Thanks! 

dude, i have a 77 KZ650 and have a spare delkevic 4-1 slightly used exhaust. It sounds incredible. I can sell it to you for $100.

I have a Delkevic exhaust on my KZ650 and highly recommend it.
Fit, finish, quality, price and sound are all great.

I have never owned or used a Mac header/exhaust... but I don't remember folks ever giving them the praises I hear about the Delkevic.
I gave my Mrs. the option of a new Del on her GPz or freshen & tart up her Kerker. She chose the latter. Suits me fine.

wrote:

Yes the one in the video does look to hang low. I wonder though if this was related to how they connected to the rear bracket to allow for the rearset ?. Hmmmm

Yah, given the way it is installed as individual tubes, I guess there must be some latitude for adjustment?

wrote:

MAC went out of business last year, or maybe it was the year before. Anyway, there might still be some of their stuff available but there won't be any vendor support.
 

Good point... if there were fitment issues, I'd probably be out of luck.