[cycleguy55]

Originally Posted by mrmustang

Having worked the tuning issues out with my 289 Roadster (may still need to replace current electric fuel pump with something better, waiting till warmer weather to investigate), I'm now wondering if anyone has tried an alternate muffler for their undercar exhaust, as the factory parts leave a less than desirable, raspy sound. Reminds me of the mid 2K's when everyone under 22 years old was installing 30 series Flowmasters on their late model daily drivers. Harsh, no real character if you catch my drift. Looking for more of that smooth burble/rumble, hard to describe in writing.


Bill S.

Nice video and audio here of Spintech mufflers on a Kirkham 289: https://www.youtube.com/watch?v=CoWTU90anG4

Spintech makes low profile mufflers as thin as 2 1/4".
https://spintechmufflers.com/low-profile-muffler/