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Walker has been a driving force of innovation over the past century. The brand's history of innovative engineering includes such "firsts" as the louvered-tube muffler, stainless steel muffler, aluminized exhaust products, and chambered-tube mufflers. These advantages continue today in virtually every premium Walker exhaust and emission control component. For Walker, innovation drives performance and satisfied customers.
Walker has been a driving force of innovation over the past century. The brand's history of innovative engineering includes such "firsts" as the louvered-tube muffler, stainless steel muffler, aluminized exhaust products, and chambered-tube mufflers. These advantages continue today in virtually every premium Walker exhaust and emission control component. For Walker, innovation drives performance and satisfied customers.
Walker has been a driving force of innovation over the past century. The brand's history of innovative engineering includes such "firsts" as the louvered-tube muffler, stainless steel muffler, aluminized exhaust products, and chambered-tube mufflers. These advantages continue today in virtually every premium Walker exhaust and emission control component. For Walker, innovation drives performance and satisfied customers.
Checks for combustion leaks caused by bad head gaskets, cracked blocks, and cracked or warped heads
Fluid changes from blue to yellow when exposed to combustion gases from the radiator Connect the hose to any vehicle vacuum line. Or, on tools made after June 2002, use the red adapter with a hand vacuum pump. Place tapered end of tool into radiator opening. With the engine running, the vehicle vacuum or the vacuum pump draws vapors through the indicating fluid for testing.