Decibel Devil is a brand new innovative product offering a quick stress free fix for reducing exhaust noise levels should your competition or trackday vehicle be borderline on noise limits or unexpectedly fail a race circuit noise test. Working closely with motorsport competitors, Decibel Devil have developed and formulated a noise baffling material with excellent noise reducing properties which have already been proven in a number of motorsport disciplines.
This high quality, quick fix noise reducing solution can be installed securely in a matter of minutes by quite simply clamping onto a vehicles existing tailpipe. No other product on the market offers such a quick, simple to install and effective noise reducing solution.
The Decibel Devil fits a variety of applications with single exit exhaust tailpipes ranging from 2.5” to 5” inches O/D. Smaller diameters (from 1.75") are also in development.
Fittings
The Decibel Devil fits a variety of applications with single exit exhaust tailpipes ranging from 2” to 5” in diameter.

Specifications
| Part No | Tail pipe O/D (inches) | Dimensions (mm) |
| A | B | C | D |
| DD2.5 | 2.5" |
160 |
76 |
63.5 |
51 |
| DD3.0 | 3.0" |
160 |
76 |
76 |
63.5 |
| DD3.5 | 3.5" |
160 |
76 |
90 |
63.5 |
| DD4.0 | 4.0" |
160 |
70 |
102 |
76 |
| DD5.0 | 5.0" |
130 |
30 |
127 |
102 |
How to fit
Choose the correct size Decibel Devil from the table above to suit your exhaust, insert it into your existing tailpipe and fix securely into place with the attached outer clamping ring. Depending on your style of exhaust system and tailpipe some modifications may be necessary.