Top 5 Best Exhaust for BMW 335i (Review & Ultimate Buying Guide)

Raphael E Loy

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Have you ever thought of where all the harmful gases from the combustion in the engine go? How are they filtered out, and what’s the mechanism that works behind it?

All that is carried out by an exhaust system; this systematic combination of piping plays a vital role in almost everything in your car. So, you require the best one you can find.

Hence, we are here to provide you with a list of the Best Exhaust for BMW 335i. These will positively improve the whole of aesthetic and performance of your vehicle for the best.

5 Best Exhaust for BMW 335i

The exhaust system makes a drastic change in the performance and the safety of the car. So, from this list, you will be able to find the best one that will fit your preference.

1. Borla 140449 Cat-Back Exhaust System

This product from Borla is an exciting addition to this list of exhaust systems; why? Well, this is one of those straight design systems which have simpler piping for maximum utility.

The best materials ensure the durability of this product and allow usage in all kinds of situations. Moreover, straight-technology is ideal for increased gas flow and power.

It is easy to install when you have the proper tools to get the job done, and the fitting it offers is ideal for your vehicle. The instruction the manual provided is quite elaborate at describing the installation.

Sound is a crucial factor in the exhaust system; this product offers a deeper growl than a scream. It’s subtle enough for quiet neighborhoods, but empowering enough to let people know you’re there.

Due to its fantastic fitting, it doesn’t have any sign of droning or consist of any unwanted throttling in highway speed. Moreover, with all these improvements, you’ll see a noticeable increase in mileage.

As the name suggests, it consists of a Catalytic Converter that allows it to convert harmful gases produced in the engine, such as hydrocarbons, carbon monoxide, and nitrogen oxides into water and carbon dioxide.

Moreover, the simple piping combination connects the exhaust pipes almost directly to the manifold and transport gases out without delay; this increases the car’s performance up to a substantial amount.

Pros:

  • Easy installation
  • Presence of a Catalytic Converter
  • Increase in mileage
  • Subtle sound
  • Lack of drone

Cons:

  • Centering of the exhaust pipe
  • Lack of crush donuts

2. Corsa 14991 Cat-Back Exhaust (Jeep Grand Cherokee 5.7L V8)

Corsa 14991 is a more traditional approach to an exhaust system. The compartments are separated and made with 304 stainless steel build. Because of its construction, it has fantastic durability.

It uses Reflective Sound Cancellation technology (RSC), which plays a unique role in adding a subtlety in its sound. This technology also removes any droning from the vehicle.

Another feature that mostly attracts people is how easy it is to install the whole exhaust system. It follows an easy bolt-on installation method, which may require just a little help or no help at all if you have the right tools.

Moreover, the fitting of this product is noteworthy; it fits most vehicles perfectly. Due to its separated part-by-part build, you can carefully fit every part in your car and bolt them in for maximum protection.

By protection, we mean its durability for all kinds of terrain. The breakage of the piping in the system is not a rare phenomenon, it happens quite often, and it can be dangerous. For this reason, this product might be the perfect choice for you.

The included catalytic converter is impressive at its work when you use its full potential. It converts all those harmful gases with the highest efficiency so that there’s no harm to your health.

Additionally, the piping structure is relatively straight-forward, following the traditional (X) formation, which significantly influences the passage of gases. Due to that, there is an improvement in the performance of the vehicle and mileage.

Pros:

  • Stainless Steel build
  • Reflective Sound Cancellation technology
  • Easy bolt-on installation
  • Drone free cruising
  • Increased performance

Cons:

  • Fitting complications
  • Exhaust pipe elevation

3. Dinan D660-0045-BLK Stainless Exhaust

This exhaust is particularly noteworthy for the BMW 335i; Dinan built it with its design in mind. Moreover, this relatively small product has several tricks up its sleeve, leading to a sporty look.

It has a 16-gauge stainless steel construction, making this system’s durability memorable while keeping it corrosion-free for a lifetime. Additionally, it allows the product to have a lightweight build.

Moreover, the engineering put to the details of the performance is phenomenal. The reduction in the back pressure influences the gas flow improvements, which allows for seamless acceleration and no extra storage of unnecessary gas and increases performance.

However, the product’s sound is more of a sporty sound, carefully curated for you to have that performance feel while accelerating. Though it also gives off a civilized sound while cruising.

There’s no drone when you’re cruising on the highway. This feature is significant for the people who are into long drives from time to time since droning can ruin your experience. The perfect fitting and mufflers in this product can take care of that problem.

Helmholtz chamber design is one of the critical reasons for reducing droning at low RPM, while the increase in RPM creates the sporty pops and crackles.

The exhaust pipes’ construction is perfect for fitting using the preinstalled hangers; the exhaust pipes sit at the ideal angle so that there’s no impact if you’re riding in rougher terrains.

Pros:

  • Improves exhaust flow
  • Higher performance output
  • Reduced droning
  • Corrosion-free stainless steel construction
  • Helmholtz Chamber

Cons:

  • Difficulty in installation
  • Single exhaust tip

4. Vanguard E90/E92/E93 335i Cat-Back Exhaust

Many good things are going on with this particular system, but what is its most significant selling point? Well then, we have to go with the adjustability. This product is one of those unique systems for BMW, which will allow you to adjust fitting as much as you want.

The Vanguard is of stainless-steel construction; its durability is one of the best in the market. Also, its structure is optimal for the best fitting and customization according to your vehicle.

Due to its fantastic piping system, it produces 11 horsepower and about 10ft/Lbs. torque at your wheels. It’s an excellent choice when you want a boost in the performance of your car.

Another exciting feature is that the tips of the exhaust system are fully adjustable. This feature alone might be of interest to many people since fitment is always an exhausting issue.

But this will allow you to modify your exhaust tips the way you like, fitting your preference and the type of aesthetics you’re going after. However, it would help if you kept in mind to keep it at an efficient angle for maximum flow.

Additionally, this exhaust system is in the list of most easily installed systems. If you have some experience, you will not need any professional help at all. It is entirely a bolt-on system and is easy to handle.

All the main piping of this product runs through the catalytic converter, which allows it to filter out harmful gas and convert it into safer substances; this allows for reduced environmental pollution.

Pros:

  • Adjustable Stainless-steel build
  • Customizable exhaust tips
  • Increased horsepower
  • Trouble-free installation
  • Sounds perfect for the street and track

Cons:

  • Loud during acceleration
  • Has some level of droning

5. HKS 31013-BE002 Exhaust Tip (BMW 335I Sedan (E90)

HKS is comparatively different than most companies reviewed here; they hold the title of being one of the most famous companies to produce high-performance auto parts and vehicle tuning.

That’s partly the reason why this exhaust system is unique. Another reason is the dual-tip exhaust pipes. For the performance enthusiasts out there, this one is particularly attractive for you guys.

It has the perfect build for performance, constructed with stainless-steel. This system’s durability is impressive; it will perform at an optimal level, even in the roughest situations.

The installation of this product is very user-friendly since the design encourages for easy fitting. Moreover, the fittings work like a charm even when you have minimum skills.

Additionally, the most noticeable thing about this exhaust is the performance boost. It substantially increases the performance of the vehicle. Some might say it’s for the track, but that’s not entirely true. It’s sufficient for the subtleties of the streets too.

The sound produced by the product is not exactly subtle; it is loud, though there’s a reduction while cruising. So, it will not fail to make a statement on the streets. However, that is something to consider depending on your preference.

Additionally, it contains a catalytic converter, which is an essential component of any exhaust system. It can transform all the harmful gases with full efficiency. That is logically a lot less harmful than the other gases.

Pros:

  • Substantial performance boost
  • User-friendly installation
  • Dual tip exhaust pipes
  • Presence of a catalytic converter
  • High-quality build

Cons:

  • It is fairly loud
  • Compatible with some specific engines only

Features to Look for Before Buying

Before buying an exhaust system, there are several things you need to keep in mind, along with an idea of what each part does to your vehicle. Every exhaust system won’t have the same experience, since preference matters at the end of the day.

Piping

The whole system is composed of carefully constructed piping. Each of these consists of various internal components, which allow proper flow within the piping.

It is connected directly to the engine from the tailpipes, so something to keep in mind is the piping’s diameter. If those are too small, the power will reduce at high RPM.

But it can’t be too large either; being too large may cause it to hang low, and it will have the risk of getting struck. It can also reduce the torque, so you need to find the right diameter for your vehicle.

Muffler

This component has a more obvious job; it reduces the noise level produced through the system. But that might cancel out the reason why you’re changing an exhaust system.

Because the sound matters, along with that, it’s an essential source of the backpressure. So, if you want a reduction in sound, chambered mufflers should be your choice. Otherwise, equipment mufflers are enough.

Fitting

Among all the problems buyers face, this is one of the most common. Fitment of an exhaust system is critical for various reasons. It ensures the safety of your process and protects you from breaking off your pipes.

Not only that, it plays an essential role in the aesthetics of the car, too; you wouldn’t want the pipes to hang too low or face a different direction. So, keep an eye out for that, because that will make a significant change in your vehicle.

Frequently Asked Questions

Q. How should an exhaust system drone?

A. It shouldn’t drone at all. An exhaust system’s design is such that it has reduced droning or no sign of droning since that’s one of the selling points.

Q. Are catalytic converters necessary?

They are vital since they reduce pollution in the environment. For that, some countries have made it illegal to use exhaust systems without a catalytic converter.

Q. Does cat-less exhaust sound different?

A. In some scenarios, they do, even though it should not directly influence your car’s sound, but sometimes it does make a significant change in the sound, but that’s not for the better.

Q. Does it ensure increased mileage?

A. Mileage depends on the product you’re interested in because some are more focused on performance. It might not influence the vehicle’s mileage, but some make a significant difference in the mileage.

Q. Are louder exhaust systems better?

A. That is not a factor in the case of performance or mileage. The sound is entirely up to your preference. However, Sometimes the most subtle sounding systems perform the best.

Final Words

Exhaust systems are essential for every vehicle; the stock exhaust may not be ideal, so change is required. Such a type of change that will put out a statement each time you start your car. For that, this list of Best Exhaust for BMW 335i is perfect for you.

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