[Spridgets] 1275 with headers exhaust?

Ron Soave soavero at yahoo.com
Sat Jun 30 10:29:21 MDT 2018


BZ and my Sprites both perform best when my ears hurt for 3 days afterward. 

Ron Soave

> On Jun 30, 2018, at 8:42 AM, derf via Spridgets <spridgets at autox.team.net> wrote:
> 
> 104dB is 4x as loud as 98dB.
> 
>> On Sat, Jun 30, 2018, 12:37 AM Billy Zoom via Spridgets <spridgets at autox.team.net> wrote:
>> > UK Noise limits vary but 98 to 103, and occasionally 105 are typical.
>> 
>> 
>> Assuming these are db ratings, at what distance from the car is it measured?
>> The sound pressure drops by half each time the distance is doubled.
>> 104db would be twice as loud as 98db, so it seems there’s quite a range.
>> I’ve had much experience with ill-trained security guards misusing sound pressure meters, so I’m naturally skeptical of such regulations.
>> 
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