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2. Exhaust system - Wikipedia

   en.wikipedia.org/wiki/Exhaust_system

   The Turbo-back (or turbo back) is part of the exhaust system from the outlet of a turbocharger to the final vent to open air. Turbo-back systems are generally produced as aftermarket performance systems for cars with turbochargers. Some turbo-back (and header-back) systems replace stock catalytic converters, while others have less flow restriction.

3. Caterpillar 797 - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_797

   Caterpillar increased the power output of the Cat 3524B EUI 24-cylinder diesel engine used in the 797 from net 2,394 kW (3,211 hp) to net 2,513 kW (3,370 hp) enabling the 797B to achieve a 68 km/h (42 mph) top speed when transporting a 345 t (380 short tons) load, a 3.2 km/h (2 mph) increase over the first generation 797.

4. Caterpillar 740 Ejector - Wikipedia

   en.wikipedia.org/wiki/Caterpillar_740_Ejector

   The ejector uses a 4-cylinder hydraulic ram and blade to dump the material out, a similar system to Cat's wheel tractor-scrapers. The 740 Ejector is sold as separate model from the usual 740. Total power is 436 hp (325 kW), total operating weight is 162,280 lb (73,610 kg), with the load being 42 short tons (38 tonnes ), 37.3 yd 3 (28.5 m 3 ) at ...

5. Category:Exhaust systems - Wikipedia

   en.wikipedia.org/wiki/Category:Exhaust_systems

   Pages in category "Exhaust systems" The following 18 pages are in this category, out of 18 total. This list may not reflect recent changes. ...

6. Catalytic converter - Wikipedia

   en.wikipedia.org/wiki/Catalytic_converter

   A three-way catalytic converter on a gasoline-powered 1996 Dodge Ram Simulation of flow inside a catalytic converter. A catalytic converter is an exhaust emission control device which converts toxic gases and pollutants in exhaust gas from an internal combustion engine into less-toxic pollutants by catalyzing a redox reaction.

7. United States vehicle emission standards - Wikipedia

   en.wikipedia.org/wiki/United_States_vehicle...

   As of 2009, light-duty trucks must meet the same emissions standards as passenger cars. Tier II regulations also defined restrictions for the amount of sulfur allowed in gasoline and diesel fuel, since sulfur can interfere with the operation of advanced exhaust treatment systems such as selective catalytic converters and diesel particulate ...