Sierra 2500
Performance Exhaust
Today, choosing performance exhaust can be confusing. A common misconception is that "bigger is better". Many enthusiasts, and manufacturers too, seem to feel that very large diameter pipes are the only way to go for muscle car performance, while we at BORLA have found for street use, big pipes just take energy out of the exhaust, both by slowing down exhaust gas velocity and by cooling off the gases. While exhaust may leave the port at 1500 degrees or more, at the tailpipe it’s down to 150 degrees -- a sign energy has been lost. Velocity and uninterrupted flow are the real performance-making factors.
01-05 6.0L/8.1L V8 HD 2+4WD Crew-Cab, Short-Bed,
  - BRLA-14959
Cat-Back System
Single, Round, Rolled, Angle-Cut, Split Side Exit
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01-05 6.0L/8.1L V8 HD 2+4WD Ext.-Cab, Short-Bed,
  - BRLA-14990
Cat-Back System
Single, Round, Rolled, Angle-Cut, Split Side Exit
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99-03 6.0L V8 2+4WD
  - BRLA-17110
Header
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Borla is the only exhaust manufacturer in the business that gurantees it products for a Million miles. Go to www.Borla.com to find out more information on Borla products, or give one of our Customer Service Representitives a call.
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