Exhaust
Muffler & Pipe
GM
20959692
1/2 ton, ext cab, 5.3l with 8 ft box. Silverado, sierra. 5.3l. With flex fuel. 157.5. With flex fuel. 143.5 wheelbase.
Muffler W/Tailpipe
GM
25791351
Without H3T. With underbody protection. 3.5 & 3.7L, & resonator. Hummer H3. 3.7l.
Muffler & Pipe
GM
20920631
1/2 ton, std cab, 4.8l with 6.5 ft box. Silverado, sierra. 4.8l. 119 wheelbase.
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