26 replies to this topic

[swast4]

I still have an open cone type, as I didn't want to restrict the airflow. What type would you recommend ?

[Tony H]

An enclosed type is known to reduce the noise a bit. Dont know much about them as get by with an open one myself.

[james_ly]

3" exhaust? When following one of them I can hear over my car.

[swast4]

I know it's shocking

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[Matt_182]

Have a look at fitting a BMC CDA, they come in quite a few sizes but I'd opt for the largest! That's what I plan to fit to reduce to SC noise on track, I was at 102 static at Cadwell but not sure on drive by as they don't measure it. I'm quite reluctant to visit the larger national tracks with a worry of being black flagged.

[swast4]

Cheers Matt,
I'll have a look at that system but I'm still not convinced it's induction noise, as the car still feels very drowny

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[smiley]

Induction can hit the measuring sweetspot sometimes easier then the exhaust.