Ok just to be sure.... i have a 4 inches slide cut tip ...and i want to add muffler to my 525 ....after reading it's look like GGB have a good feedback.... i will show you the picture ...and anybody have this kind ??? ...and it's better to add external flap to ???....
thank's a lot
cause here up North ...the cop's going crazy on my case....

Sweet now put them on!

My GGB's look different.

25, show us a picture down the center of your mufflers.

Thanks,
Rick

It`s for 4 or 4 1/2 inches .....and where you buy it ??? ...cause me i find one kit on Ebay ...and i am in communication with the guy ...to know if it work on a 525 ...
i realy need to bring the sound down
CIAO

Or i find a pair of Corsa 5 inch tuneable mufflers for 4 inch exhaust ....... did you know if going to work on a 525 ????
Thank`s again

^^¨^^^

they look differant

tt

My GGB's have built in flaps.