Borla Exhaust System: /GMC SIERRA 1500 4.8L/5.3L V8 2+4WD EC SB (Z-71) 1999-06.
BORLA exhausts are built of aircraft-quality T-304 stainless steel -- stainless inside and out.
Borla's free-flow exhaust utilizes patented award and race winning technology to deliver quality, sound, performance gains and enhanced fuel economy — all with an easy bolt-on installation. All BORLA street products carry an unsurpassed written million-mile warranty. Gains are usually 7-10% increase in HP. |