Quick Answer. The ways to make a stock exhaust sound deeper include installing a cat-back system, installing a different exhaust tip, cutting the pipes and changing the muffler. Also, installing a chambered muffler offers a deep and rich sound from a stock exhaust.
data smog. The Oxford Dictionary of Phrase and Fable. Â© The Oxford Dictionary of Phrase and Fable 2006, originally published by Oxford University Press 2006. data smog an overwhelming excess of information, especially that obtained as the result of an Internet search. Cite this article.
Photochemical smog is a unique type of air pollution which is caused by reactions between sunlight and pollutants like hydrocarbons and nitrogen dioxide. Although photochemical smog is often invisible, it can be extremely harmful, leading to irritations of the respiratory tract and eyes.