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It's not the size of your GMC K1500 that determines its power and performance — it's the size of its exhaust. Lengthen your exhaust by installing an aftermarket GMC K1500 exhaust header from AutoZone and enjoy the many benefits that come from having a longer exhaust.

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  •  | Page 1 of 5 |  
  • Part Number: 31506FLT
  • Notes: Primary Tube Collector Size 1 5/8x2.5"; Without AIR Tubes; Modify Stock exhaust to retain catalytic converter. Must Remove The Rubber Stopper Below The Starter; Require air conditioner Bracket PN[10042FLT]; With oxygen Sensor - Use Reducer PN[10105FLT] For 2.5" Flange
  • Part Number: 31504FLT
  • Notes: Primary Tube Collector Size 1 5/8x3"; Without AIR Tubes; Modify Stock exhaust to retain catalytic converter. With oxygen Sensor - Use Reducer PN[10105FLT] For 2.5" Flange; Catalytic Converter Compatible Y-Pipe Available Separately; With oxygen sensor - Use Reducer PN[10110FLT] For 3" Flange
  • Part Number: 11530FLT
  • Notes: Standard Header Primary Tube Collector Size 1.75x3"; Without AIR Tubes; Modify Stock exhaust to retain catalytic converter. Must Use Original Factory Big Block Engine Frame Mounts and Hardware
  • Part Number: 31500FLT
  • Notes: Primary Tube Collector Size 1.5x3"; Without AIR Tubes; Modify Stock exhaust to retain catalytic converter. May Require Clutch Linkage Modification; Does Not Fit with Angle Plug Heads; Require air conditioner Bracket PN[10042FLT]
  • Part Number: 11500FLT
  • Notes: Standard Header Primary Tube Collector Size 1.5x3"; Without AIR Tubes; Modify Stock exhaust to retain catalytic converter. May Require Clutch Linkage Modification; Does Not Fit with Angle Plug Heads; Require air conditioner Bracket PN[10042FLT]
  • Part Number: 49152FLT
  • Notes: Afterburner Headers. Standard; Without AIR Tubes; Modify Stock exhaust to retain catalytic converter. May Require Clutch Linkage Modification; With oxygen Sensor - Use Reducer PN[10105FLT] For 2.5" Flange; With oxygen sensor - Use Reducer PN[10110FLT] For 3" Flange
  • Part Number: 49156FLT
  • Notes: Afterburner Headers. Standard; Without AIR Tubes; Y-Pipe Available Separately; Modify Stock exhaust to retain catalytic converter. With oxygen Sensor - Use Reducer PN[10105FLT] For 2.5" Flange; With oxygen sensor - Use Reducer PN[10110FLT] For 3" Flange
  • Part Number: 49152-1FLT
  • Notes: Afterburner Headers. Ceramic; Without AIR Tubes; Modify Stock exhaust to retain catalytic converter. May Require Clutch Linkage Modification; Require air conditioner Bracket PN[10042FLT]; With oxygen Sensor - Use Reducer PN[10105FLT] For 2.5" Flange; With oxygen sensor - Use Reducer PN[10110FLT] For 3" Flange
  • Part Number: 11500SFLT
  • Notes: Standard Header Primary Tube Collector Size 1.5x3"; With AIR Injection Manifold Welded In; Modify Stock exhaust to retain catalytic converter. Require air conditioner Bracket PN[10042FLT]; With oxygen Sensor - Use Reducer PN[10105FLT] For 2.5" Flange; With oxygen sensor - Use Reducer PN[10110FLT] For 3" Flange
  • Part Number: 91830-1FLT
  • Notes: Shorty Smog Headers 1.5" Primary Tubing; 2.5" Collector; Mild Steel; Silver Metallic Ceramic; Gaskets; Hardware. Will Work With Factory Exhaust System; Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port; Stock Replacement; Bolts Directly To Factory Headpipes; Will Not Fit With AIR Injection Pump
  • Part Number: 91830FLT
  • Notes: Shorty Smog Headers 1.5" Primary Tubing; 2.5" Collector; Mild Steel; Painted Black; Gaskets; Hardware. Fits Where Drivers Side Manifold Has Its Exit Rear Of The Rear Exhaust Port; Stock Replacement; Bolts Directly To Factory Headpipes; Will Not Fit With AIR Injection Pump
  • Part Number: 91837-1FLT
  • Notes: Shorty Smog Headers 1 5/8" Primary Tubing; With AIR; 2.5" Collector; Mild Steel; Silver Ceramic; Gaskets; Hardware. Stock Replacement; Bolts Directly To Factory Headpipes
  •  | Page 1 of 5 |  

Stop letting your GMC K1500 fall short of newer pick-ups with its factory installed exhaust tubes. Although they're the standard for your vehicle, they don't allow enough gas to leave your exhaust so there is more power and torque. Order replacement exhaust header for GMC K1500 that has larger and longer exhaust tubes from AutoZone. A new exhaust header from us comes with Free Shipping on online purchases of $75 or more and is the perfect modification to increase engine power and stamina.

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