Spectre air intake systems are designed to get more horsepower and torque from your vehicle while working to protect your engine from harmful debris. This air intake comes with a red Spectre reusable low restriction air filter, high quality polished aluminum tubing and a black powder coated heat shield (where applicable) to help prevent engine air from entering the intake inlet. Spectre air intakes come with the necessary boots, clamps and hardware for an OE fit and finish.Installation InstructionsThis Part Fits: Year Make Model Submodel 2001-2004 Chevrolet Silverado 2500 HD Base 2001-2004 Chevrolet Silverado 2500 HD LS 2001-2004 Chevrolet Silverado 2500 HD LT 2004 Chevrolet Silverado 2500 HD WT 2001-2004 Chevrolet Silverado 3500 Base 2001-2004 Chevrolet Silverado 3500 LS 2001-2004 Chevrolet Silverado 3500 LT 2004 Chevrolet Silverado 3500 WT 2002-2004 GMC Sierra 2500 HD Base 2001-2002 GMC Sierra 2500 HD SL 2001-2004 GMC Sierra 2500 HD SLE 2001-2004 GMC Sierra 2500 HD SLT 2003-2004 GMC Sierra 2500 HD WT 2002-2004 GMC Sierra 3500 Base 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE 2001-2004 GMC Sierra 3500 SLT 2004 GMC Sierra 3500 WT

Spectre air intake systems are designed to get more horsepower and torque from your vehicle while working to protect your engine from harmful debris. This air intake system comes with a washable, reusable low restriction Spectre air filter, polished aluminum intake tubing, and a black powder coated heat shield to help prevent heated engine air from entering the intake inlet. Included are the velocity stack adapter, hose clamps, MAF adapter ring, couplers, stainless steel clamps and all necessary hardware for an OE fit and finish. The Spectre Intake tube comes with an adapter to mount the stock MAF sensor.Installation InstructionsInstallation InstructionsThis Part Fits: Year Make Model Submodel 2002-2006 Cadillac Escalade Base 2003-2006 Cadillac Escalade ESV Base 2002-2006 Cadillac Escalade EXT Base 2002-2005 Chevrolet Avalanche 1500 Base 2005-2006 Chevrolet Avalanche 1500 LS 2005-2006 Chevrolet Avalanche 1500 LT 2002-2003 Chevrolet Avalanche 1500 North Face 2002-2003 Chevrolet Avalanche 1500 On Road Edition 2003 Chevrolet Avalanche 1500 WBH 2004-2006 Chevrolet Avalanche 1500 Z66 2002-2006 Chevrolet Avalanche 1500 Z71 1999-2005 Chevrolet Silverado 1500 Base 2004-2006 Chevrolet Silverado 1500 Hybrid 1999-2006 Chevrolet Silverado 1500 LS 1999-2006 Chevrolet Silverado 1500 LT 2003-2006 Chevrolet Silverado 1500 SS 2002-2006 Chevrolet Silverado 1500 WT 2004-2005 Chevrolet Silverado 1500 Z71 Off-Road 2007 Chevrolet Silverado 1500 Classic Hybrid 2007 Chevrolet Silverado 1500 Classic LS 2007 Chevrolet Silverado 1500 Classic LT 2007 Chevrolet Silverado 1500 Classic SS 2007 Chevrolet Silverado 1500 Classic WT 2005 Chevrolet Silverado 1500 HD Base 2001-2003,2005 Chevrolet Silverado 1500 HD LS 2001-2003,2005-2006 Chevrolet Silverado 1500 HD LT 2007 Chevrolet Silverado 1500 HD Classic LT 1999-2004 Chevrolet Silverado 2500 Base 1999-2004 Chevrolet Silverado 2500 LS 1999-2004 Chevrolet Silverado 2500 LT 2004 Chevrolet Silverado 2500 WT 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2006 Chevrolet Silverado 2500 HD LT 2003-2006 Chevrolet Silverado 2500 HD WT 2007 Chevrolet Silverado 2500 HD Classic LS 2007 Chevrolet Silverado 2500 HD Classic LT 2007 Chevrolet Silverado 2500 HD Classic WT 2001-2005 Chevrolet Silverado 3500 Base 2001-2006 Chevrolet Silverado 3500 LS 2001-2006 Chevrolet Silverado 3500 LT 2004,2006 Chevrolet Silverado 3500 WT 2007 Chevrolet Silverado 3500 Classic LS 2007 Chevrolet Silverado 3500 Classic LT 2007 Chevrolet Silverado 3500 Classic WT 2000-2001,2006 Chevrolet Suburban 1500 Base 2000-2006 Chevrolet Suburban 1500 LS 2000-2006 Chevrolet Suburban 1500 LT 2006 Chevrolet Suburban 1500 LTZ 2002-2006 Chevrolet Suburban 1500 Z71 2000-2001 Chevrolet Suburban 2500 Base 2000-2006 Chevrolet Suburban 2500 LS 2000-2006 Chevrolet Suburban 2500 LT 2000-2001,2006 Chevrolet Tahoe Base 2000-2006 Chevrolet Tahoe LS 2000-2006 Chevrolet Tahoe LT 2002-2006 Chevrolet Tahoe Z71 2002-2005 GMC Sierra 1500 Base 2001 GMC Sierra 1500 C3 2002-2006 GMC Sierra 1500 Denali 2002 GMC Sierra 1500 HT 2005-2006 GMC Sierra 1500 Hybrid 1999-2003,2006 GMC Sierra 1500 SL 1999-2006 GMC Sierra 1500 SLE 1999-2006 GMC Sierra 1500 SLT 2002-2006 GMC Sierra 1500 WT 2007 GMC Sierra 1500 Classic Denali 2007 GMC Sierra 1500 Classic Hybrid 2007 GMC Sierra 1500 Classic SL 2007 GMC Sierra 1500 Classic SLE 2007 GMC Sierra 1500 Classic SLT 2007 GMC Sierra 1500 Classic WT 2001-2003,2005-2006 GMC Sierra 1500 HD SLE 2001-2003,2005-2006 GMC Sierra 1500 HD SLT 2007 GMC Sierra 1500 HD Classic SLE 2007 GMC Sierra 1500 HD Classic SLT 2002-2004 GMC Sierra 2500 Base 1999-2002 GMC Sierra 2500 SL 1999-2004 GMC Sierra 2500 SLE 1999-2004 GMC Sierra 2500 SLT 2003-2004 GMC Sierra 2500 WT 2002-2005 GMC Sierra 2500 HD Base 2001-2002,2006 GMC Sierra 2500 HD SL 2001-2006 GMC Sierra 2500 HD SLE 2001-2006 GMC Sierra 2500 HD SLT 2003-2006 GMC Sierra 2500 HD WT 2007 GMC Sierra 2500 HD Classic SL 2007 GMC Sierra 2500 HD Classic SLE 2007 GMC Sierra 2500 HD Classic SLT 2007 GMC Sierra 2500 HD Classic WT 2002-2005 GMC Sierra 3500 Base 2001-2002,2006 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE 2001-2006 GMC Sierra 3500 SLT 2004-2006 GMC Sierra 3500 WT 2007 GMC Sierra 3500 Classic SL 2007 GMC Sierra 3500 Classic SLE 2007 GMC Sierra 3500 Classic SLT 2007 GMC Sierra 3500 Classic WT 2001-2006 GMC Yukon Denali 2006 GMC Yukon SL 2000-2006 GMC Yukon SLE 2000-2006 GMC Yukon SLT 2001-2006 GMC Yukon XL 1500 Denali 2006 GMC Yukon XL 1500 SL 2000-2006 GMC Yukon XL 1500 SLE 2000-2006 GMC Yukon XL 1500 SLT 2000-2006 GMC Yukon XL 2500 SLE 2000-2006 GMC Yukon XL 2500 SLT

Spectre's polished cast aluminum low profile plenum has a 4 inch inlet. It is 2.4 inches tall between the carburetor and the bottom of the hood which makes it great for low clearance applications. It measures 9.25 inches from the air cleaner stud to the inlet and 7.25 inches across the plenum at the air cleaner stud. This plenum fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet. The 4 inch single inlet is designed to match up to all Spectre 4 inch tubing, filters and accessories. Use with Spectre 4208 air cleaner nut (sold seperately).

This Spectre Air Intake Plenum has a single inlet with a 4 inch outside diameter. Manufactured from polished cast aluminum, this plenum is designed to be compatible with Spectre 4 inch tubing, filters, and accessories. 3-1/2 inches tall and measuring 9 inches from air cleaner stud to the inlet, it fits carburetors and TBI throttle bodies with a 5-1/8 inch inlet. All of our air intake components are designed and built using high quality materials and engineered for optimum fit and function.

Spectre's polished aluminum inline airbox with air filter has a 3 inch inlet and outlet. This cylindrical air box has an outside diameter of 4 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.

Spectre's polished aluminum inline airbox with air filter has a 4 inch inlet and outlet. This cylindrical air box has an outide diameter of 5 inches. It allows you to create a custom air intake that feeds the engine cool outside air for more power.

The Spectre Polished Aluminum 4 Inch Dual Plenum gives you the ability to design your own custom cold air intake system. With an ultra-low profile design, the dual plenum can fit under many flat hoods and provide a show car look and feel. Engineered for optimum fit and function, the plenum inlets are angled 120 degrees apart. Installation is easy with no special tools or skills required.

Spectre's 4 inch outside diameter Y-Pipe is designed for custom 2 into 1 style air intake systems utilizing 4 inch tubing. This Y-pipe has legs that come out of throttle body at a 90 degree angle to the right and left of the engine (leg angle), and 180 degrees of separation between the two 6 inch long legs (Y-pipe angle). Available with a polished aluminum finish, this tube can be welded or connected together to fabricate a dual inlet intake system for almost any application.

Spectre's 4 inch outside diameter - 90 degree elbow is designed for custom air intake systems utilizing 4 inch tubing. Available with a polished aluminum finish, this tube can be welded or connected together to fabricate an intake system for almost any application.Technical Drawing

Spectre's 4 inch outside diameter - 90 degree elbow is designed for custom air intake systems utilizing 4 inch tubing. Available with a polished aluminum finish, this tube can be welded or connected together to fabricate an intake system for almost any application.Technical Drawing

Spectre tubes allow you to design your very own custom cold air intake system. All of our air intake components are designed and built using high quality materials and engineered for optimum fit and function. This polished aluminum intake tube has a 4 inch outside diameter with a 90 degree bent.Technical Drawing

Spectre's EPDM/TPE couplers, elbows and reducers are available to help you connect different air intake tubes together with ease. We offer multiple length and shape couplers and reducers with 3, 3.5, 4 and 4.5 inch inside diameter sizes. These couplers are also offered with additional angles to match the direction you want your intake to route. Our EPDM and TPE couplers and reducers are not recommended for turbo-charged and super-charged engines.

The Spectre Intake Coupler Elbow connects a 4 inch outside diameter component or air intake tube to another 4 inch outside diameter component or intake tube at a tight 90 degree angle. Two stainless steel worm gear hose clamps are included for installation. This coupler is not suitable to be installed on pressurized components such as turbocharger or supercharger outlets.

Spectre's EPDM/TPE couplers, elbows and reducers are available to help you connect different air intake tubes together with ease. We offer multiple length and shape couplers and reducers with 3, 3.5, 4 and 4.5 inch inside diameter sizes. These couplers are also offered with additional angles to match the direction you want your intake to route. Our EPDM and TPE couplers and reducers are not recommended for turbo-charged and super-charged engines.

Spectre's EPDM/TPE couplers, elbows and reducers are available to help you connect different air intake tubes together with ease. We offer multiple length and shape couplers and reducers with 3, 3.5, 4 and 4.5 inch inside diameter sizes. These couplers are also offered with additional angles to match the direction you want your intake to route. Our EPDM and TPE couplers and reducers are not recommended for turbo-charged and super-charged engines.

This Spectre Intake Coupler is designed to connect 4 inch outside diameter components or air intake tubes together. This intake coupler is 2 inches in length and made from black PVC and comes complete with 2 stainless steel worm gear hose clamps. Not suitable to be installed on pressurized components such as turbocharger or supercharger outlets.

This Spectre Intake Coupler Reducer is designed to connect a 4 inch outside diameter component or air intake tube with a 3 inch outside diameter component or intake tube. This intake coupler is 3-1/2 inches in length and made from black PVC and comes complete with 2 stainless steel worm gear hose clamps. Not suitable to be installed on pressurized components such as turbocharger or supercharger outlets.

Spectre's Air Duct Hose is designed to attach directly to an air box inlet, plenum, intake tube or mounting plate with a 4 inch outside diameter to bring cooler air into the engine. Multiple pieces can be threaded together for longer applications, and with a memory-flex design to help retain position, this easy bending hose is versatile and easy to setup. This kit includes 41 inches of ducting and 2 threaded PVC couplers.

Spectre's tubing, couplers, and related components allow you to design your very own custom cold air intake systems. Manufactured using high quality materials, many Spectre tubes feature a 6063 grade polished aluminum finish. This tubing is available in various shapes and sizes ensuring optimum fit and function, including: straight, 30, 35, 40, 45, 60, 75, and 90 degree bends and U shaped.

Spectre's tubing, couplers, and related components allow you to design your very own custom cold air intake systems. Manufactured using high quality materials, many Spectre tubes feature a 6063 grade polished aluminum finish. This tubing is available in various shapes and sizes ensuring optimum fit and function, including: straight, 30, 35, 40, 45, 60, 75, and 90 degree bends and U shaped.Technical Drawing

Spectre tubes allow you to design your very own custom cold air intake system. All of our air intake components are designed and built using high quality materials and engineered for optimum fit and function. This polished aluminum intake tube has a 4 inch outside diameter with a 45 degree bent.Technical Drawing

This Spectre Intake Coupler Reducer is designed to connect a 4 inch outside diameter component or air intake tube with a 3 1/2 inch outside diameter component or intake tube. This intake coupler is 3 inches in length and made from black PVC and comes complete with 2 stainless steel worm gear hose clamps. Not suitable to be installed on pressurized components such as turbocharger or supercharger outlets.

This Spectre High Performance Racing (HPR) Air Filter is a white media clamp-on cone filter that can be used for a wide variety of applications. Using the included adapter rings, this filter can fit 3 inch, 3-1/2 inch, and 4 inch diameter tubes. Manufactured using high quality materials throughout, including oiled synthetic media, urethane, and steel mesh, this washable performance filter is precision engineered for low restriction and better performance. This filter's top houses an inverted cone filter for improved service life and enhanced flow potential. Designed with a triple chrome plated steel top and base, this 9-1/2 inch tall air filter is factory pre-oiled and ready to use.Technical Drawing

This Spectre High Performance Racing (HPR) Air Filter is a blue media clamp-on cone filter that can be used for a wide variety of applications. Using the included adapter rings, this filter can fit 3 inch, 3-1/2 inch, and 4 inch diameter tubes. Manufactured using high quality materials throughout, including oiled synthetic media, urethane, and steel mesh, this washable performance filter is precision engineered for low restriction and better performance. This filter's top houses an inverted cone filter for improved service life and enhanced flow potential. Designed with a triple chrome plated steel top and base, this 9-1/2 inch tall air filter is factory pre-oiled and ready to use.Technical Drawing

This Spectre High Performance Racing (HPR) Air Filter is a red media clamp-on filter that can be used for a wide variety of applications. Using the included adapter rings, this filter can fit 3 inch, 3-1/2 inch, and 4 inch diameter tubes. Manufactured using high quality materials throughout, including oiled synthetic media, urethane, and steel mesh, this washable performance filter is precision engineered for low restriction and better performance. This filter's top houses an inverted cone filter for improved service life and enhanced flow potential. Designed with a triple chrome plated steel top and base, this 9-1/2 inch tall air filter is factory pre-oiled and ready to use.Technical Drawing

This Spectre High Performance Racing (HPR) Air Filter is a black media clamp-on cone filter that can be used for a wide variety of applications. Using the included adapter rings, this filter can fit 3 inch, 3-1/2 inch, and 4 inch diameter tubes. Manufactured using high quality materials throughout, including oiled synthetic media, urethane, and steel mesh, this washable performance filter is precision engineered for low restriction and better performance. This filter's top houses an inverted cone filter for improved service life and enhanced flow potential. Designed with a triple chrome plated steel top and base, this 9-1/2 inch tall air filter is factory pre-oiled and ready to use.Technical Drawing

Spectre's tubing, couplers, and related components allow you to design your very own custom cold air intake system. Manufactured using high quality materials, this 4 inch outside diameter, 24 inch long 6063 grade aluminum tube has a polished finish.

Spectre's 4 inch outside diameter - 18 inch long mass air sensor tube is designed for custom air intake systems utilizing 4 inch tubing and require the use of a blade-style mass air flow sensor. The welded on MAFS pad is designed for the GM and Ford Coyote engine blade style MAFS. Available with a polished aluminum finish, this tube can be welded or connected together to fabricate an intake system for almost any application. This tube can be shortened to fit your custom application.

The Spectre 4 inch Aluminum Mass Air Flow Sensor Adapter Kit is designed for use with drop-in style mass air flow sensors on 2004 and later vehicles. With an outside diameter measuring 4 inches by 4 inches long, this kit features a polished aluminum tube with ABS components and the necessary hardware. This kit includes 2 flow calibration tubes - 76 millimeter and 89 millimeter, reducing the 4 inch intake system to the correct diameter at the sensor to retain calibration.

The Spectre worm gear clamps are designed to secure and connect 4 inch diameter air intake system tubes, air filters and hoses together. Two hex bolt driven universal stainless steel clamps are included.

Spectre's Air Intake Support Bracket Kit is available for any 4 inch outside diameter intake system. Its universal design allows you to support your intake or filter from an existing engine or fender bolt, while the adjustable bracket allows for infinite angle options. Constructed using polished aluminum, this bracket can be welded or couplers can be used to attach to intake tubes. Spectre also offers a universal intake mounting bracket for use with any Spectre air intake kit or components. Its universal and adjustable design also allows for infinite angles and it can be attached to existing engine or body bolts for secure intake mounting.

Spectre's air filter inlet adapters and velocity stacks are designed to allow you to attach a larger 6 inch diameter flange air filter onto a smaller diameter air intake tube. The velocity stacks are available with different neck sizes, to match 2.5 inch to 4.5 inch tubes. In addition, Spectre velocity stacks also have a smooth funnel shaped inlet that reduces restriction and turbulence of incoming air.

Spectre's tubing, couplers, and related components allow you to design your very own custom cold air intake systems. Manufactured using high quality materials, many Spectre tubes feature a 6063 grade polished aluminum finish. This tubing is available in various shapes and sizes ensuring optimum fit and function, including: straight, 30, 35, 40, 45, 60, 75, and 90 degree bends and U shaped.Technical Drawing

This Spectre Intake Coupler Reducer connects a 3-1/2 inch outside diameter component or air intake tube to another 3-1/2 inch outside diameter component or intake tube. This intake coupler is 2 inches in length and made from black PVC and comes complete with 2 stainless steel worm gear hose clamps. Not suitable to be installed on pressurized components such as turbocharger or supercharger outlets.

This Spectre Intake Coupler Reducer connects a 3-1/2 inch outside diameter component or air intake tube with a 3 inch outside diameter component or intake tube. This intake coupler is 3 inches in length and made from black PVC and comes complete with 2 stainless steel worm gear hose clamps. Not suitable to be installed on pressurized components such as turbocharger or supercharger outlets.

Spectre's 3-inch outside diameter aluminum tubing provides the freedom to create a unique intake system using universal tubes and related components. Featuring a grade 6063 polished aluminum body, this tube can extend the intake kit as far as needed allowing for optimum fit and function. See the product specifications for dimensions.Technical Drawing