51-81752 - aFe Intake System - MagnumFORCE Stage 2 Si


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Part #: 51-81752
Notes: Magnum FORCE Stage-2 Si PRO DRY S Air Intake System
Incl Air Filter/Heat Shielding Molded Housing/Black Alum Cover/Heat Insulating Molded Intake Tube
+11HP/+23Lbs. x Ft. Torque
MSRP: $436.25
Your Price: $345.51

This Item Also Available In

Part Number Price Notes & Specs
54-81752 $345.51 Notes Magnum FORCE Stage-2 Si Pro 5R Air Intake System
Incl. Air Filter/Heat Shielded Intake Housing/Black Alum. Cover/Heat Insulating Molded Intake Tube
+11HP/+23Lbs. x Ft. Torque

All Fitments

CADILLAC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2011 - 2012 ESCALADE BASE V8 6.2 ALL ALL ALL
2011 - 2012 ESCALADE LUXURY V8 6.2 ALL ALL ALL
2011 - 2012 ESCALADE PLATINUM V8 6.2 ALL ALL ALL
2011 - 2012 ESCALADE PREMIUM V8 6.2 ALL ALL ALL
2011 - 2012 ESCALADE ESV ALL V8 6.2 ALL ALL ALL
2011 - 2012 ESCALADE EXT ALL V8 6.2 ALL ALL ALL
CHEVROLET
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2011 - 2012 AVALANCHE ALL V8 5.3 ALL ALL ALL
2009 - 2009 SILVERADO 1500 HYBRID V8 6.0 ALL ALL ELECTRIC/GAS
2009 - 2009 SILVERADO 1500 LT V8 6.0 ALL ALL GAS
2009 - 2009 SILVERADO 1500 LTZ V8 6.0 ALL ALL GAS
2010 - 2013 SILVERADO 1500 HYBRID V8 6.0 ALL ALL ALL
2011 - 2013 SILVERADO 1500 LS V8 4.8 ALL ALL ALL
2011 - 2013 SILVERADO 1500 LS V8 5.3 ALL ALL ALL
2011 - 2013 SILVERADO 1500 LT V8 4.8 ALL ALL ALL
2011 - 2013 SILVERADO 1500 LT V8 5.3 ALL ALL ALL
2011 - 2013 SILVERADO 1500 LT V8 6.2 ALL ALL ALL
2011 - 2013 SILVERADO 1500 LTZ V8 5.3 ALL ALL ALL
2011 - 2013 SILVERADO 1500 LTZ V8 6.2 ALL ALL ALL
2011 - 2013 SILVERADO 1500 WT V8 4.8 ALL ALL ALL
2011 - 2013 SILVERADO 1500 WT V8 5.3 ALL ALL ALL
2011 - 2013 SILVERADO 1500 XFE V8 5.3 ALL ALL ALL
2009 - 2013 SILVERADO 2500 HD ALL V8 6.0 ALL ALL ALL
2009 - 2013 SILVERADO 3500 HD ALL V8 6.0 ALL ALL ALL
2011 - 2012 SUBURBAN 1500 ALL V8 5.3 ALL ALL ALL
2011 - 2012 SUBURBAN 2500 ALL V8 6.0 ALL ALL ALL
2011 - 2012 TAHOE LS V8 5.3 ALL ALL ALL
2011 - 2012 TAHOE LT V8 5.3 ALL ALL ALL
2011 - 2012 TAHOE LTZ V8 5.3 ALL ALL ALL
2012 - 2012 TAHOE PPV V8 5.3 ALL ALL ALL
2012 - 2012 TAHOE SSV V8 5.3 ALL ALL ALL
GMC
Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2009 - 2009 SIERRA 1500 HYBRID V8 6.0 ALL ALL ELECTRIC/GAS
2009 - 2009 SIERRA 1500 SLE V8 6.0 ALL ALL GAS
2009 - 2009 SIERRA 1500 SLT V8 6.0 ALL ALL GAS
2010 - 2013 SIERRA 1500 HYBRID V8 6.0 ALL ALL ALL
2011 - 2011 SIERRA 1500 WT V6 4.3 ALL ALL ALL
2011 - 2013 SIERRA 1500 DENALI V8 6.2 ALL ALL ALL
2011 - 2013 SIERRA 1500 SL V8 5.3 ALL ALL ALL
2011 - 2013 SIERRA 1500 SLE V8 5.3 ALL ALL ALL
2011 - 2013 SIERRA 1500 SLT V8 5.3 ALL ALL ALL
2011 - 2013 SIERRA 1500 WT V8 5.3 ALL ALL ALL
2011 - 2013 SIERRA 1500 XFE V8 5.3 ALL ALL ALL
2012 - 2013 SIERRA 1500 SL V8 4.8 ALL ALL ALL
2012 - 2013 SIERRA 1500 SLE V8 4.8 ALL ALL ALL
2012 - 2013 SIERRA 1500 WT V8 4.8 ALL ALL ALL
2013 - 2013 SIERRA 1500 SLE V8 6.2 ALL ALL ALL
2013 - 2013 SIERRA 1500 SLT V8 6.2 ALL ALL ALL
2009 - 2013 SIERRA 2500 HD ALL V8 6.0 ALL ALL ALL
2009 - 2013 SIERRA 3500 HD ALL V8 6.0 ALL ALL ALL
2012 - 2012 SIERRA 3500 HD DENALI V8 6.0 ALL ALL ALL
2012 - 2012 SIERRA 3500 HD SLE V8 6.0 ALL ALL ALL
2012 - 2012 SIERRA 3500 HD SLT V8 6.0 ALL ALL ALL
2012 - 2012 SIERRA 3500 HD WT V8 6.0 ALL ALL ALL
2011 - 2012 YUKON DENALI V8 6.2 ALL ALL ALL
2011 - 2012 YUKON SLE V8 5.3 ALL ALL ALL
2011 - 2012 YUKON SLT V8 5.3 ALL ALL ALL
2011 - 2012 YUKON XL 1500 ALL V8 5.3 ALL ALL ALL
2011 - 2012 YUKON XL 1500 ALL V8 6.2 ALL ALL ALL
2011 - 2012 YUKON XL 2500 ALL V8 6.0 ALL ALL ALL

Product Description

If you want to maintain a factory appearance the aFe Stage 2 Si Sealed Air Box provides quiet performance and industry-leading power gains.

Features

  • Ram Air Scoop – Built-in ram scoop forces cold air to filter for greater efficiency and performance gains.
  • Clamp Stops – Raised stops on aFe tubes provide a more secure seal and eliminate slippage versus flat, straight tubes.
  • 3-Angle Adapter – Specially developed velocity stack with 3 different angles dramatically increase airflow from the filter to the intake tube.
  • Quality Hardware – aFe uses only top-quality hardware like stainless steel button head bolts and brass inserts.
  • MAF Sensor Pad – Precision tuned MAF Sensor Pad will not affect vehicle performance or produce check engine light warnings.
  • 3 Filter Media Choices – Choose from the Pro 5R, Pro Dry S or Pro-GUARD 7 Filter.

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