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Replace the stock exhaust system on your Ford Focus with a brand new custom exhaust system and see what a difference it makes in your engine’s performance. Very different from the stock exhaust system in design, the custom exhaust system is built to maximize exhaust flow, thus minimizing backpressure within the system and freeing power that is trapped within the engine. CARiD brings you the finest range of performance exhaust systems for the Ford Focus. Take your pick from the tried and tested Borla, MagnaFlow or Flowmaster, all of whom have a series of Ford Focus cat back exhaust systems. With any of their exhausts, you can anticipate power gains of up to 10%. Also available are performance catalytic converters, mufflers,headers and tips from Gibson, Weapon-R, Oki and RBP. You can use these alongside the exhaust system for an additional 10-20hp.

If the effects of a custom exhaust system appear to be too good, it’s because they are. The performance boost won’t just be in horsepower alone, but also in important determinants such as torque and throttle response. With greater torque, you will maneuver your way through tough roads with ease and enjoy greater punch from the Focus. You will also have more power at your disposal on lower rpm than before, which makes driving at low speeds more exciting. Custom Ford Focus exhaust systems boost the engine’s fuel efficiency, boosting your gas mileage by as much as 3mpg which is good for your finances. The Ford Focus custom exhaust sound has no equal. Throaty and deep, it leaves no doubt about the power of the engine beneath your hood.

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    • Borla® Stainless Steel Exhaust System
      (82 reviews)
      # sp229
      Stainless Steel Exhaust System by Borla®. When you want the best performing, best sounding, and highest quality exhaust system, you want Borla. Borla straight-through mufflers and mandrel-bent exhaust tubes are custom tuned to...
      $312.99 - $3,305.99
    • MagnaFlow® Street Series Exhaust System
      (85 reviews)
      # sp598
      Street Series Exhaust System by MagnaFlow®. The Street Series is designed for customers seeking increased performance and better economy, combined with a powerful and well tuned exhaust note, making a real statement within legal...
      $378.87 - $3,904.65
    • MagnaFlow® Direct Fit Catalytic Converter
      (30 reviews)
      # sp839
      Direct Fit Catalytic Converter by MagnaFlow®. If your cat needs replacement, install one that will get you through the smog check and give you more horsepower. This converter will directly replace the factory unit, with little or...
      $202.84 - $1,748.68
    • MagnaFlow® MagnaFlow Series Exhaust System
      (10 reviews)
      # sp593
      MagnaFlow Series Exhaust System by MagnaFlow®. These premium line exhaust systems include mandrel-bent stainless steel tubing, polished 100% stainless steel mufflers, band clamps, and double wall tips. Magnaflow systems give more...
      $391.65 - $3,466.09
    • Borla® Touring™ Stainless Steel Exhaust System
      (31 reviews)
      # sp230
      Touring™ Stainless Steel Exhaust System by Borla®, MILD GROWL SOUND. When you want the best performing, best sounding, and highest quality exhaust system, you want Borla. Borla straight-through mufflers and mandrel-bent exhaust...
      $312.99 - $1,804.99
    • Injen® Exhaust System
      (32 reviews)
      # sp80
      Exhaust System by Injen®. The perfect complement to your Injen air intake system is an Injen performance exhaust system. Each exhaust system is dyno-tuned together with the air intake system to achieve maximum horsepower and torque...
      $202.73 - $1,158.98
    • Agency Power® Cat-Back Exhaust System
      (0 reviews)
      # sp3768
      The Cat-Back is designed for customers seeking increased performance and better economy, combined with a powerful and well tuned exhaust note, making a real statement within legal limits with a pleasing, deep and manly tone.
      $700.00 - $1,000.00
    • Vibrant Performance® Low Restriction Inner Silencer (1184)
      (0 reviews)
      # mpn458109106
      Universal Low Restriction Inner Silencer by Vibrant Performance®. Baffle measures 3.90" Outside Diameter. 2.5" OD Tuning Tube. Vibrant Performance Stainless Steel Universal Performance Mufflers are made from T304 Stainless Steel....
      T304 Stainless Steel ConstructionEnsure a low, deep exhaust note
      $34.95
    • Vibrant Performance® M10 Fasteners Bulk Pack (25 x M10 Bolts, 25 x M10 Nuts, 100 Washers) (1450B)
      (0 reviews)
      # mpn458109873
      Universal M10 Fasteners Bulk Pack (25 x M10 Bolts, 25 x M10 Nuts, 100 Washers) (1450B) by Vibrant Performance®. A simple solution for a common problem.
      Made of High Quality MaterialsAvailable in different sizes
      $61.55
    • Vibrant Performance® M10 Fasteners Retail Pack (2 x M10 Bolts, 2 x M10 Nuts, 4 Washers) (1450A)
      (0 reviews)
      # mpn458109872
      Universal M10 Fasteners Retail Pack (2 x M10 Bolts, 2 x M10 Nuts, 4 Washers) (1450A) by Vibrant Performance®. A simple solution for a common problem.
      Made of High Quality MaterialsAvailable in different sizes
      $5.60
    • Vibrant Performance® Donut Style Exhaust Gasket (2.55" Inner Diameter, 0.625" Height) (2599B)
      (0 reviews)
      # mpn458111277
      Universal Donut Style Exhaust Gasket (2.55" Inner Diameter, 0.625" Height) (2599B) by Vibrant Performance®. Vibrant Performance is pleased to offer genuine Torca® Stainless Steel TC Series High Performance Exhaust Couplers. These...
      Made of High Quality MaterialsAvailable in different sizes
      $17.35
    • Vibrant Performance® Stainless Steel Race Muffler (5" Inlet / Outlet Diameter, 9" Length) (1799)
      (0 reviews)
      # mpn458110317
      Universal Stainless Steel Race Muffler (5" Inlet / Outlet Diameter, 9" Length) (1799) by Vibrant Performance®. Vibrant Performance Race Mufflers are designed to comply with muffler requirement rules at race tracks throughout North...
      Made of High Quality MaterialsTrue Straight Through Design
      $115.50
    • Vibrant Performance® Standard Style Resonator (3.5" Inlet / Outlet Diameter, 5" Chamber Diameter, 18" Length) (17970)
      (0 reviews)
      # mpn458110316
      Universal Standard Style Resonator (17970) by Vibrant Performance®. Inlet Diameter: 3.50". Outlet Diameter: 3.50". Resonator Size: 5.00" Round Body. Overall Length: 18". Vibrant Performance Ultra Quiet Resonators are constructed...
      Made of High Quality MaterialsTrue Straight Through Design
      $88.35
    • Vibrant Performance® Standard Style Resonator (4" Inlet / Outlet Diameter, 5" Chamber Diameter, 18" Length) (17960)
      (0 reviews)
      # mpn458110315
      Universal Standard Style Resonator (17960) by Vibrant Performance®. Inlet Diameter: 4.00". Outlet Diameter: 4.00". Resonator Size: 5.00" Round Body. Overall Length: 18". Vibrant Performance Ultra Quiet Resonators are constructed...
      Made of High Quality MaterialsTrue Straight Through Design
      $89.25
    • Vibrant Performance® Standard Style Resonator (3" Inlet / Outlet Diameter, 5" Chamber Diameter, 18" Length) (17950)
      (0 reviews)
      # mpn458110314
      Universal Standard Style Resonator (17950) by Vibrant Performance®. Inlet Diameter: 3.00". Outlet Diameter: 3.00". Resonator Size: 5.00" Round Body. Overall Length: 18". Vibrant Performance Ultra Quiet Resonators are constructed...
      Made of High Quality MaterialsTrue Straight Through Design
      $88.00




    Guides & Articles

    • Performance Parts
      Engines have often been compared to air pumps, because the engine that’s most efficient in terms of economy and power is the one that can get air in and out of its cylinders the easiest. That’s why most performance modifications like conical air filters, cold air intake systems, headers, and cat-back exhaust systems are aimed at making the intake and exhaust systems less restrictive. These parts increase the flow of air into the engine and ease the flow of exhaust gas out of the engine. Among these components, headers may be the most difficult to install. In this article, we’ll discuss what headers do, their different types, and how much performance they can add to your car.
    • Performance Parts
      You may be wondering why so many aftermarket performance exhaust system manufacturers are offering dual exhaust systems connected by "H-pipe" or "X-pipe" sections. After all, aren't two separate pipes, or so-called "true duals", the best for performance? The answer is no, but to understand why we have to examine how a typical internal combustion engine works.
    • Performance Parts
      It's an age-old question that many have asked. Will an aftermarket exhaust be worth the expense? While they definitely can be, an important question to ask yourself is do you care more about the deeper sound they’re designed to produce, or the added performance gained from being less restrictive? As car enthusiasts, we’ve become accustomed to associating the sound of a car with its exhaust. After all, doesn’t everyone have a childhood memory or two of a car and the particular sound it made?
    • Performance Parts
      Regardless of whether you're shopping for a simple replacement muffler that delivers original equipment (OE) sound and performance or an upgraded muffler which provides a deeper growl with increased power through freer exhaust flow, you'll see choices between "direct fit" mufflers and "universal" mufflers. In this article, we'll help you understand the differences between these two styles so you can make a more informed purchase.

    Popular Products

    Ford Focus Performance Exhaust Systems Reviews

    Average rating:  4.5  4.5 - 4 reviews
    3.5 of 5
    Resonator
    Inlet end could be flared for easier bolt up with clamp, suggested cut off length is too short unless you plan to weld it I had to have a couple made to join together.
    LPosted by Lewis (South Milwaukee, WI) /
    2005 Ford Focus
    Was this review helpful for you? Yes
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