fits model: F-150, F-250, 250, 2wd, Expedition. make: Ford. year: 1997–2002.

( Brand: Flowtech ), ( Manufacturer Part Number: 91670 ), ( Part Type: Header )
The 1997-2002 250 Flowtech Ford Smog 2WD 150 Expedition Shorty Headers (Part Number: 91670) is a high-quality exhaust system component designed specifically for F-150 and F-250 model vehicles from the mentioned years. This shorty header is a crucial upgrade for any enthusiast looking to enhance their vehicle's performance and exhaust sound.
Crafted from premium 304 Stainless Steel, this header is both durable and corrosion-resistant, ensuring it can withstand the test of time and harsh driving conditions. The 250 Flowtech header features a unique 1 7/8-inch primary tube diameter, which is specifically designed to optimize exhaust flow, reducing backpressure, and improving engine performance.
The shorty header design is not only aesthetically pleasing but also functional. By shortening the length of the exhaust header, this component helps to reduce weight, lower the center of gravity of the vehicle, and improve overall drivability. This header is also CARB-legal, ensuring it meets the stringent emissions standards set by the California Air Resources Board.
Installation of the 1997-2002 250 Flowtech Ford Smog 2WD 150 Expedition Shorty Headers is relatively straightforward. The header comes complete with high-quality exhaust flanges and gaskets, ensuring a secure and leak-free fit. The header also includes detailed installation instructions, making it easy for even the most novice of DIY enthusiasts to install.
In summary, the 1997-2002 250 Flowtech Ford Smog 2WD 150 Expedition Shorty Headers (Part Number: 91670) is a top-quality exhaust component that not only enhances the performance of your F-150 or F-250 but also adds a unique and aggressive look to your vehicle. Its durable construction, optimized exhaust flow, and easy installation make it an excellent choice for any Ford truck enthusiast.
Pros of buying a 1997-2002 250 Flowtech Ford Smog 2WD 150 Expedition headers (shorty 91670 for F-150/F-250):1. Performance: Flowtech headers are known for improving engine performance by reducing exhaust backpressure, which leads to increased horsepower and torque.
2. Durability: Flowtech headers are made of high-quality materials, such as stainless steel, ensuring long-lasting performance and resistance to corrosion.
3. Fitment: These headers are specifically designed for 1997-2002 250 Ford F-150/F-250 Expeditions, ensuring a perfect fit and easy installation.
4. Sound: Flowtech headers produce a pleasant and satisfying exhaust note, enhancing the driving experience.
Cons of buying a 1997-2002 250 Flowtech Ford Smog 2WD 150 Expedition headers (shorty 91670 for F-150/F-250):1. Cost: Flowtech headers can be quite expensive, making them a significant investment.
2. Installation: Installing headers can be a complex process, requiring professional expertise or extensive DIY skills.
3. Noise: While some people enjoy the sound produced by Flowtech headers, others may find it too loud for their preference.
4. Emissions: Some states have strict emission regulations, and installing headers may make your vehicle non-compliant. It is essential to check with your local DMV or emissions testing center before buying and installing headers.
Conclusion:Buying a 1997-2002 250 Flowtech Ford Smog 2WD 150 Expedition headers (shorty 91670 for F-150/F-250) can significantly improve your vehicle's performance and sound, but it also comes with a substantial cost and potential complications. If you are comfortable with the investment and have the necessary skills or resources for installation, these headers can be a worthwhile upgrade. However, if you are concerned about the cost or emission regulations, you may want to consider other performance upgrades that are more affordable or compliant with your local regulations.
New never used got for my truck but just sold truck and never used.