SLP 20004 Highflow Runner Kit Trans Am

( Brand: Slp ), ( Mounting Style: Bolt-on ), ( Color: Silver ), ( Items Included: Gasket, Bolts ), ( Manufacturer Part Number: 20004 ), ( Material: Aluminum ), ( Placement On Vehicle: Front ), ( Fuel Type: Gasoline ), ( Type: Intake Manifold ), ( Engine Size: 350 In ), ( Features: Bare ), ( Universal Fitment: Yes ), ( Country Of Origin: United States )

Review SLP 2000 Highflow Tpi Runner Kit Trans Am fits FIREBIRD CAMARO CORVETTE 1989–1992

Introducing the SLP 20004 Highflow Runner Kit, an essential upgrade for 1989 to 1992 Firebird, Trans Am, Camaro, and Corvette models. This performance kit is designed by Steve Lewis Performance (SLP), a renowned name in the automotive industry for producing high-quality aftermarket parts.

The Highflow Runner Kit is engineered to enhance the overall performance of your vehicle by improving the airflow and fuel delivery system. It replaces the stock runners with high-flow runners, which provide a more efficient and smoother airflow path to the intake manifold. As a result, your engine receives a more consistent fuel-air mixture, leading to increased horsepower, torque, and improved throttle response.

Each runner in the kit is meticulously crafted using high-quality aluminum material, ensuring durability and longevity. The runners are also designed with a large, smooth, and polished primary bore, which minimizes turbulence and reduces airflow restriction. Additionally, these runners feature a high-velocity secondary port design, which helps to distribute the air-fuel mixture evenly across the intake ports for optimal combustion.

The installation process for the SLP 20004 Highflow Runner Kit is relatively straightforward. The kit comes with all necessary hardware and detailed instructions to make the installation process as seamless as possible for the average DIY enthusiast. However, if you are not confident in your installation abilities, we recommend consulting a professional mechanic to ensure proper installation and optimal performance.

By upgrading your vehicle with the SLP 20004 Highflow Runner Kit, you can expect noticeable improvements in power and acceleration, making your Firebird, Trans Am, Camaro, or Corvette a true performer on the road. This kit is an excellent investment for any enthusiast looking to take their vehicle to the next level and unlock its hidden potential.

The SLP 20004 Highflow Runner Kit, manufactured by Speed Logic Performance (SLP) between 1989 and 1992, was a popular aftermarket upgrade for Firebird Trans Am, Camaro, and Corvette models. This kit aimed to enhance the performance of these vehicles by improving the flow rate of their intake systems. However, like any aftermarket part, it comes with its own set of pros and cons.

1. Increased Power: The primary benefit of installing the SLP 20004 Highflow Runner Kit is the potential for increased power and torque. The kit's design allows for better airflow into the engine, which can lead to improved combustion and, consequently, more power.

2. Improved Throttle Response: The kit's enhanced airflow capabilities can result in quicker throttle response. This is due to the reduction in air resistance caused by the larger diameter intake runners.

3. Better Fuel Economy (Potential): The improved airflow can lead to more efficient combustion, potentially resulting in better fuel economy. However, this benefit may vary depending on individual driving styles and engine conditions.

1. Installation Complexity: Installing the SLP 20004 Highflow Runner Kit can be a complex process. It requires the removal and modification of the stock intake manifold, which may require professional assistance or extensive mechanical knowledge.

2. Cost: The cost of purchasing and installing the SLP 20004 Highflow Runner Kit can be significant. This may include the cost of the kit itself, as well as the cost of any additional parts or labor required for installation.

3. Potential Emissions Issues: In some cases, the increased airflow from the SLP 20004 Highflow Runner Kit may result in higher emissions. This is due to the engine burning more fuel to produce the increased power.

The SLP 20004 Highflow Runner Kit offers the potential for increased power, improved throttle response, and even better fuel economy. However, it comes with the complexity of installation, a significant cost, and potential emissions issues. Ultimately, the decision to purchase and install this kit depends on an individual's priorities, mechanical skills, and budget.

If you are an experienced mechanic or enthusiast with a strong desire for increased power and improved throttle response, the SLP 20004 Highflow Runner Kit could be an excellent addition to your vehicle. However, if you are new to car modifications or have limited mechanical knowledge, it may be wiser to consider less complex upgrades or seek professional assistance. Additionally, carefully consider the potential costs and emissions implications before making your decision.

Details:

Increases Horsepower While Maintaining Stock Emission Equipment. Can Be Ported to Improve Flow Capacity. SLP High-Flo TPI Runners Features:: Excellent Throttle Response and Mid-Range Power. Power From Idle to 5500 RPM.

Our runners are manufactured from aircraft quality cast aluminum and require no modifications to install. 50-State Street Legal with OEM TPI. Requires No Changes to OEM Computer. Light-Weight Aluminum.

And Corvettes. Regardless of outrageous horsepower claims from other manufacturers, our Siamese cast aluminum runners will always out-perform individual tube at medium to high engine speeds. These intake runners will also give your TPI engine an aggressive look while still maintaining the GM appearance, and may be polished to a striking finish. GREAT PAIR OF 1989 - 1992 SLP RUNNERS WITHOUT 9TH INJECTOR CAN USE ON 1985 1988 SIMPLY DRILL OUT THE PORT, COMES WITH BRAND NEW BOLTS AND MATCHED LARGER GASKETS, Slaps Cast Aluminum Siamese Intake Runners are designed to replace the stock individual tube runners found on all Tuned Port Injection TPI 5.0L and 5.7L engines in 1989 thru 1992 Camaro, Firebird.

SLP runners will increase power by 15 to 20 horsepower depending on engine and application. Patented High-Flo Runner Design. Match w/Aftermarket Head /High Performance Cam.

part #: 20004 prices

• $400.00-$1300.00

specifications inputmanifolds:

• for models: Firebird, Camaro, Corvette
• for years: 1989-1992
• brand: Slp
• mounting style: Bolt-on
• color: Silver
• items included: Gasket, Bolts
• manufacturer part number: 20004
• material: Aluminum
• placement on vehicle: Front
• fuel type: Gasoline
• type: Intake Manifold
• engine size: 350 In
• features: Bare
• universal fitment: Yes
• country of origin: United States

returns inputmanifolds:

• time: 14 Days
• policy: Returns Accepted
• paid by: Buyer

shipping inputmanifolds:

• service: UPS Ground
• transit: 4-7 Days
• carrier: UPS
• type: Fixed
• cost: $0.00
• class: Standard

offer inputmanifolds:

• options: Ship-to-home
• started: January 22, 2026
• sold: 0
• best offers: True
• quantity: 1
• availability: In Stock

payments inputmanifolds:

• other
• wallet: Google-pay
• credit card: Diners-club

seller inputmanifolds:

• city: New Jersey
• rating: 100.0%
• # reviews: 1365

general inputmanifolds:

• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
• condition: Used

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• Chevrolet 21047 1998-2000 Camaro Ss Slp Intake (26% similar) 1998-2000 Chevrolet camaro / firebird Slp intake...(September 25th, 2025)