GMC
Diesel Single Side Exit Exhaust - Every Gibson diesel exhaust system is designed to decrease backpressure, reduce exhaust temperatures and allow the engine to produce more torque and increase horsepower. Dyno tested results have proven increases as much as 32 Horsepower and 60ft lbs of increased torque.
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K2500
K3500
Sierra 2500
Sierra 2500 HD
Sierra 3500

Features:
• Large 4" Mandrel-bent tubing -maintains constant exhaust flow through the bend for outstanding performance
• Superflow TM Muffler- Fully welded, baffled and chambered for better volume efficiency & unrestricted flow. (Not packed or screened, nothing to blow out)
• Giant 5-Inch T-304 High Polished Stainless Steel Clampless slash tip
• Zinc plated 3/8” to ½” factory style hangers
• Zinc plated heavy- duty clamps
• 50 state emissions legal
• Will not affect your factory warranty

Your choice of:
• Aluminized- heavy-duty tubing for extended durability and longer life
• Stainless Steel- 409L Stainless heavy -duty tubing, T-304 Stainless Superflow Muffler
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