Lexus IS250 F Sport Intake: 2012 Upgrade Guide

by Alex Braham 47 views

Hey guys! Today, we're diving deep into upgrading the intake system on a 2012 Lexus IS250 F Sport. If you're looking to boost performance, improve that engine sound, or simply give your ride a little extra oomph, you're in the right place. We'll cover everything from why you might want to upgrade to what to look for in a new intake system. Let's get started!

Why Upgrade Your 2012 Lexus IS250 F Sport Intake?

So, why should you even bother upgrading your intake? Well, there are several compelling reasons. Firstly, performance enhancement is a big one. The stock intake system on many cars, including the IS250, is designed for efficiency and noise reduction, not necessarily for maximizing power. By replacing it with a high-flow aftermarket intake, you can significantly improve airflow to the engine. More air means more oxygen for combustion, which translates to more power and better throttle response. Who wouldn't want that, right?

Secondly, an upgraded intake can seriously enhance the engine sound. Let's be honest, the stock IS250 can be a bit quiet. With an aftermarket intake, you'll get a more aggressive and throaty engine note, especially under acceleration. That sweet sound can really elevate your driving experience, making every drive just a little more exciting.

Another reason is improved fuel efficiency. While this isn't always the primary goal for everyone, a more efficient engine can lead to better gas mileage. By allowing the engine to breathe easier, an upgraded intake can help optimize the air-fuel mixture, potentially saving you some money at the pump. Of course, this depends on your driving habits, but it's a nice bonus to consider.

Finally, let's talk about aesthetics. Many aftermarket intakes look fantastic under the hood. They often come with stylish filters and polished tubes that can really dress up your engine bay. If you're someone who likes to show off your car at meets or simply appreciates a clean and organized engine bay, an upgraded intake is a great way to add some visual appeal.

Types of Intakes for Your IS250 F Sport

When it comes to choosing an intake for your 2012 Lexus IS250 F Sport, you generally have two main types to consider: short ram intakes (SRIs) and cold air intakes (CAIs).

Short Ram Intakes (SRIs): SRIs are designed to draw air from inside the engine bay. They're typically easier to install and can offer a more noticeable sound improvement compared to the stock intake. However, because they're drawing air from a hotter environment, they might not provide the same level of performance gains as a CAI, especially in hot weather. The main advantage here is simplicity and cost-effectiveness.

Cold Air Intakes (CAIs): CAIs, on the other hand, are designed to draw air from outside the engine bay, usually from a location where the air is cooler. Cooler air is denser and contains more oxygen, which can lead to greater performance gains. CAIs often involve more complex installations, as they require routing the intake tube to a lower and more exposed location. While they might offer better performance, they can also be more susceptible to water ingestion in wet conditions, so keep that in mind if you live in an area with frequent rain or flooding.

Choosing between an SRI and a CAI depends on your priorities. If you're looking for ease of installation and a more aggressive sound, an SRI might be the way to go. If you're prioritizing maximum performance and don't mind a more involved installation, a CAI could be the better choice.

Key Features to Look for in an Intake System

Okay, so you've decided to upgrade your intake – awesome! But with so many options on the market, how do you choose the right one? Here are some key features to consider:

  • Filter Quality: The air filter is arguably the most crucial part of the intake system. Look for a high-quality filter that offers excellent filtration without restricting airflow. Many aftermarket intakes come with reusable filters, which can save you money in the long run. Popular filter materials include oiled cotton and synthetic media. Make sure to clean and re-oil your filter regularly (if applicable) to maintain optimal performance.

  • Intake Tube Material: The material of the intake tube can also impact performance. Common materials include aluminum, plastic, and carbon fiber. Aluminum tubes are durable and offer good heat dissipation, while plastic tubes are lightweight and cost-effective. Carbon fiber tubes are the most expensive but offer excellent heat insulation and a premium look.

  • Heat Shielding: Heat is the enemy of performance. Look for an intake system that includes a heat shield to protect the filter from engine heat. Heat shields help to keep the intake air cool, maximizing performance. Some intakes even come with insulated tubes for added protection.

  • Ease of Installation: Unless you're a seasoned mechanic, you'll want an intake system that's relatively easy to install. Look for intakes that come with detailed instructions and all the necessary hardware. Some manufacturers even offer online video tutorials to guide you through the installation process.

  • Brand Reputation: Stick with reputable brands that have a proven track record of producing high-quality intakes. Do some research and read reviews to see what other IS250 owners have to say about different brands. A well-known brand is more likely to offer good customer support and stand behind their products.

Top Intake Recommendations for the 2012 Lexus IS250 F Sport

Alright, let's get down to specifics. Here are a few top intake recommendations for your 2012 Lexus IS250 F Sport, based on performance, quality, and customer reviews:

  1. Injen SP Series Cold Air Intake: The Injen SP Series is a popular choice for IS250 owners. It features a mandrel-bent aluminum tube, a high-flow filter, and a heat shield. It's designed to provide significant horsepower and torque gains, along with an aggressive engine sound. Injen is a well-respected brand known for its quality and performance.

  2. AEM Cold Air Intake System: AEM is another trusted name in the aftermarket intake industry. Their cold air intake system for the IS250 is designed to improve airflow and increase horsepower. It features a durable aluminum tube and a washable, reusable filter. AEM intakes are known for their quality construction and reliable performance.

  3. Takeda Retain Short Ram Intake: If you're looking for a short ram intake, the Takeda Retain is a great option. It's designed to provide improved throttle response and a more aggressive sound. The Takeda Retain is easy to install and features a high-quality filter. It's a good choice for those who want a simple and effective upgrade.

  4. K&N 69 Series Typhoon Intake Kit: K&N is a household name when it comes to air filters and intakes. The 69 Series Typhoon intake kit is designed to increase horsepower and torque. It features a mandrel-bent aluminum tube and a washable, reusable filter. K&N intakes are known for their quality and durability.

Installation Tips and Tricks

So, you've got your new intake, and you're ready to install it. Here are a few tips and tricks to make the process go smoothly:

  • Read the Instructions: This might seem obvious, but it's crucial. Take the time to read the instructions carefully before you start. Make sure you understand each step and have all the necessary tools. Ignoring the instructions can lead to mistakes and frustration.

  • Gather Your Tools: Before you start, gather all the tools you'll need for the installation. This might include a socket set, wrenches, screwdrivers, pliers, and a torque wrench. Having the right tools on hand will make the job much easier.

  • Disconnect the Battery: Safety first! Before you start working on your car, disconnect the negative battery terminal. This will prevent any electrical accidents.

  • Take Your Time: Don't rush the installation process. Take your time and be careful not to damage any components. If you're not sure about something, consult the instructions or watch a video tutorial.

  • Double-Check Your Work: Once you've finished the installation, double-check all your connections to make sure everything is tight and secure. Make sure there are no leaks or loose parts.

  • Reset the ECU: After installing the new intake, it's a good idea to reset the ECU (engine control unit). This will allow the ECU to learn the new airflow characteristics and optimize performance. You can reset the ECU by disconnecting the battery for about 30 minutes.

Maintaining Your Upgraded Intake

Once your new intake is installed, it's important to maintain it properly to ensure optimal performance and longevity. Here are a few maintenance tips:

  • Clean the Filter Regularly: If your intake has a reusable filter, clean it regularly according to the manufacturer's instructions. This usually involves washing the filter with a special cleaning solution and then re-oiling it (if applicable). A dirty filter can restrict airflow and reduce performance.

  • Check for Leaks: Periodically check the intake tube and connections for any leaks. Leaks can allow unmetered air to enter the engine, which can cause performance problems and potentially damage your engine.

  • Inspect the Intake Tube: Inspect the intake tube for any cracks or damage. Replace the tube if you find any damage.

  • Keep the Engine Bay Clean: A clean engine bay is a happy engine bay. Keep your engine bay clean to prevent dirt and debris from entering the intake system.

Conclusion

Upgrading the intake on your 2012 Lexus IS250 F Sport can be a great way to improve performance, enhance the engine sound, and add some visual appeal to your engine bay. By choosing the right intake system and maintaining it properly, you can enjoy the benefits of your upgrade for years to come. So, what are you waiting for? Get out there and upgrade your intake today! You won't regret it.