TESTING

All Poly-Zhaust products will pass stringent performance tests. These include the following regimen conducted by an OEM on a previous generation prototype unit:

Test	Purpose	Results
On vehicle 1,000 km test	Test basic capability of product to warrant further testing	Successful
Acoustic drive-by test	Verify the basic acoustic capability of the M008 Poly-Zhaust	Successful
Spontaneous combustion test	Determine if the Poly-Zhaust can withstand a fire for at least 3 minutes	Successful
3,000-hour oven test	Determine the durability of the polymers under heat loading conditions, particularly their tensile modulus and the coefficient of thermal conductivity of the bush to maintain its performance	Successful
500-hour simulated surface test	Testing on exhaust simulator to determine effect of varying pipe surface temperatures	Successful
3,000-hour on vehicle test	Verify the overall durability a thermal capabilities	Successful
Climate Changing Evaluation	Verify the Poly-Zhaust capacity for leak resistance within the specified 20litres/hour	Successful

The PZ6 is specified to allow for 550°C pipe temperature, allowing it to cope with most modern engines. Future units will have higher tolerances.

Acoustic tests are just as stringent. Poly-Zhaust has the ability to perform a full acoustic characterisation and performance evaluation, including:

Variation of overall A-weighted sound pressure level with engine rpm.
Octave or third-octave frequency spectra at specified rpm intervals.
Order tracking analysis under load
Maximum power and torque.
Variation of power and torque with rpm.
Sound pressure level and frequency spectrum at idle.
Sound pressure levels, and frequency spectra during special operations required by the catalytic converter or other installed equipment.
Drive-by noise levels (A-weighted SPL) at various road speeds.
Acceleration noise measurement.
Interior sound levels at various interior locations under various operating conditions.