Need advice to build pair of race muffler slip on’s

[Chris Black]

we have no measurement yet. From my feel of the butt, I'd say it's below 103 dB.

 

[Dave Hood]

Chris, I use silencers similar to these that are attached to my megaphones. I think something similar is used in the IMSA racing series. Works really well and doesn't detract from the look of a GT40.

1 Stage Race Muffler

Our single stage race mufflers are just that, race mufflers! The straight-through stainless race muffler design combines minimal weight, maximum flow and maximum power while still performing the function of a muffler. These durable and reliable racing mufflers handle extreme heat by utilizing a...

burnsstainless.com

 

[Jean-Marc]

Hello, I am in process to develop the exhaust of my GT40 with the goal to be close to 95dB for race track in France. Does one of you has any update or new inputs on this subject.

 

[Chris Black]

hello Jean-Marc,

we got below 103 dB for Spa with KOOKS mufflers and 90° turn downs. I doubt that 95dB is achievable.

 

[Jean-Marc]

Thank Chris, But I will not pass on most of the French race tracks, I have to found something less agressive.
Does anybody try to use Spintech, they are the only ones claming able to reduce the nooise on rtace track ,

3000 Sportsman Street

Sportsman Street 3000 Series Muffler by Spin Tech Performance Street and Race Exhaust

spintechmufflers.com