Decibel Devil Exhaust Silencer - Universal

The Decibel Devil Exhaust Silencer is the perfect quick-fitting solution for reducing exhaust noise levels at the race track.

Fits both single and twin exit back boxes between 2-5” diameter. Simply clamp the Decibel Devil to the exhaust backbox in a matter of minutes to get the green light to go racing.

With all UK and European race circuits complying with the strict noise regulations (as little as 89dB), noisy cars are no longer tolerated. The decibel devil is a must have for avid track racers or track day enthusiasts as there will not be a more disappointing time than the car failing a race circuit noise test.

8 exhaust tail pipe sizes available, with 2 slim versions that is suited to both Porsche & an aftermarket exhaust systems. The slim versions feature a 44.45mm/1.75" perforated tube compared to the standard 69.85mm/2.75", allowing additional clearance within the exhaust back box.

On average, the Decibel Devil reduces exhaust noise level by 5dB, simply clamp the Decibel Devil onto the back box and it's job done.

Decibel Devil Exhaust Silencer Specifications (see second image for reference):

• 2" Tailpipe - A=160mm, B=76mm, C=51mm, D=45mm
• 2.5" Tailpipe - A=160mm, B=76mm, C=63.5mm, D=51mm
• 3" Tailpipe - A=160mm, B=76mm, C=76mm, D=63.5mm
• 3.5" Tailpipe - A=160mm, B=76mm, C=90mm, D=63.5mm
• 4" Tailpipe - A=160mm, B=70mm, C=102mm, D=76mm
• 5" Tailpipe - A=130mm, B=30mm, C=127mm, D=102mm

A=Overall Length, B=Minimum Clamping Length, C=Exhaust Clamping Diameter, D=Decibel Diameter

Popular UK & European track dB limits: