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The goal of performance exhaust headers is mainly to decrease flow resistance (back pressure), and to increase the volumetric efficiency of an engine, resulting in a gain in power output. The processes occurring can be explained by the gas laws , specifically the ideal gas law and the combined gas law .
All Silverado and Sierra 1500 models received a revised bumper and shortened front fascia for the 2009 model year, and extended and crew cab models equipped with the Vortec 5300 V8 received a new six-speed 6L80 automatic transmission. The Vortec 6200 V8 was made available for Silverado LT/LTZ and Sierra SLE/SLT models.
The SS model was removed from the market after the 2010 model year due to the shuttering of the GM Performance Division, also known as the GM High Performance Vehicle Operations (HPVO) Group. [14] In addition, GM phased out all GM badges from the front doors for the 2010.5 model year, including the Chevrolet HHR. [citation needed]
For 2000 production, production of the Silverado shifted from Argentina to Brazil. [4] [11] Alongside the withdrawal of the Grand Blazer (in favor of the smaller S-10 Blazer), the Silverado adopted a D-20 suffix (from the popularity of its predecessor [11]). During 2001, Chevrolet withdrew the 4.1L gasoline six-cylinder from the Silverado D-20 ...
The LSSV is a GM-built Chevrolet Silverado 2500 HD, Chevrolet Tahoe, or Chevrolet Suburban that is powered by a Duramax 6.6-liter turbo diesel engine. As GM has periodically redesigned its civilian trucks and SUVs from 2001 to the present, LSSVs have also been updated cosmetically. [200]