Lexus IS250 (2015) Exhaust Upgrade: Unleash The Roar!

by Alex Braham 54 views

So, you're thinking about giving your 2015 Lexus IS250 a little more oomph? A new exhaust system is a fantastic way to do just that! Not only can it boost your car's performance, but it can also give it a more aggressive and sporty sound. Let's dive into everything you need to know about upgrading the exhaust on your 2015 Lexus IS250.

Why Upgrade Your Lexus IS250 Exhaust?

Before we jump into the nitty-gritty, let's talk about why you might want to upgrade your exhaust in the first place. There are several compelling reasons, guys:

  • Improved Performance: A less restrictive exhaust system allows your engine to breathe easier. This means exhaust gases can exit the engine more quickly, which can lead to a slight increase in horsepower and torque. While it's not going to turn your IS250 into a race car, you'll likely notice a bit more pep in its step.
  • Enhanced Sound: Let's be honest, the stock exhaust on the IS250 is pretty tame. An aftermarket exhaust can give your car a much more aggressive and sporty sound. Whether you're looking for a deep rumble or a more high-pitched growl, there's an exhaust system out there that will suit your taste. This is the most common reason people upgrade!.
  • Aesthetic Appeal: Many aftermarket exhaust systems look much better than the stock one. They often feature polished stainless steel tips and a more aggressive design that can enhance the overall look of your car. It’s all about that curb appeal, right?
  • Weight Reduction: Some aftermarket exhaust systems are made from lighter materials than the stock exhaust. This can result in a small weight reduction, which can further improve performance. Every little bit helps!

Types of Exhaust Upgrades for Your IS250

Okay, so you're sold on the idea of upgrading your exhaust. Now, let's take a look at the different types of upgrades available:

  • Axle-Back Exhaust: This is the most common and often the most affordable type of exhaust upgrade. An axle-back system replaces the exhaust components from the rear axle back, typically including the muffler and exhaust tips. It's relatively easy to install and can provide a noticeable improvement in sound. Perfect for beginners!.
  • Cat-Back Exhaust: A cat-back exhaust system replaces the exhaust components from the catalytic converters back. This includes the mid-pipe, muffler, and exhaust tips. Cat-back systems generally offer a greater improvement in performance and sound compared to axle-back systems, but they are also more expensive and can be slightly more difficult to install.
  • Header-Back Exhaust (Full Exhaust System): This is the most comprehensive exhaust upgrade. A header-back system replaces everything from the exhaust manifold (headers) all the way back to the exhaust tips. This type of system can provide the greatest gains in performance and sound, but it is also the most expensive and requires the most involved installation. This is for the serious enthusiasts!.

Choosing the Right Exhaust System

With so many different exhaust systems on the market, choosing the right one for your 2015 Lexus IS250 can feel overwhelming. Here are a few factors to consider:

  • Sound: This is probably the most important factor for most people. Do you want a deep, throaty rumble or a high-pitched, raspy growl? Listen to sound clips online to get an idea of how different exhaust systems sound. YouTube is your best friend here!
  • Performance: Consider how much of a performance gain you're looking for. An axle-back system will provide a modest improvement, while a header-back system can offer more significant gains. Keep in mind that the IS250 isn't a powerhouse, so manage your expectations.
  • Budget: Exhaust systems can range in price from a few hundred dollars to several thousand. Set a budget before you start shopping so you don't overspend. Remember to factor in the cost of installation if you're not planning on doing it yourself.
  • Installation: How comfortable are you with installing the exhaust system yourself? Axle-back systems are generally easy to install, while cat-back and header-back systems can be more challenging. If you're not comfortable doing it yourself, it's best to have a professional install it.
  • Quality and Brand Reputation: Stick with reputable brands that are known for producing high-quality exhaust systems. Do some research online to see what other IS250 owners are saying about different brands and systems.

Popular Exhaust Brands for the Lexus IS250

Here are a few popular exhaust brands that are known for making quality systems for the Lexus IS250:

  • Invidia: Invidia is a well-known brand that offers a variety of exhaust systems for the IS250, including axle-back and cat-back systems. They are known for their high-quality construction and aggressive sound.
  • Tanabe: Tanabe is another popular brand that offers a range of exhaust systems for the IS250. They are known for their refined sound and high-quality materials.
  • Borla: Borla is a respected name in the exhaust world, and they offer systems for a wide range of vehicles, including the IS250. Known for their performance gains and distinctive sound.
  • MagnaFlow: MagnaFlow is another reputable brand that offers a variety of exhaust systems for the IS250. They are known for their smooth, deep sound and durable construction.

Installation Tips and Considerations

So, you've picked out your new exhaust system. Awesome! Here are a few tips and considerations for the installation process:

  • Read the Instructions: Before you start, read the installation instructions carefully. This will help you understand the process and avoid any mistakes.
  • Gather Your Tools: Make sure you have all the necessary tools before you start. This may include wrenches, sockets, a jack, jack stands, and penetrating oil.
  • Penetrating Oil is Your Friend: Spray all the bolts and nuts with penetrating oil a day or two before you plan to do the installation. This will make it much easier to remove them.
  • Use Jack Stands: Never work under a car that is only supported by a jack. Always use jack stands to support the car safely.
  • Disconnect the Battery: Disconnect the negative terminal of the battery before you start working on the exhaust system. This will prevent any electrical issues.
  • Wear Safety Glasses: Wear safety glasses to protect your eyes from debris.
  • Torque to Spec: When tightening bolts, use a torque wrench to tighten them to the manufacturer's specifications. This will prevent them from being too loose or too tight.
  • Get a Professional: If you're not comfortable doing the installation yourself, it's best to have a professional install it. They will have the experience and tools to do the job correctly.

Potential Issues and Considerations

Before you install your new exhaust, there are a few potential issues and considerations to keep in mind:

  • Emissions: Make sure the exhaust system you choose is legal in your state. Some exhaust systems may not be legal for street use because they remove or alter the catalytic converters.
  • Warranty: Installing an aftermarket exhaust system may void your car's warranty. Check with your dealer or warranty provider to see if this is the case.
  • Drone: Some exhaust systems can produce a