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Exhaust System for Subaru Impreza

Your Subaru Impreza Exhaust System consists of several elements that work with the fuel intake system to maximize performance while minimizing fuel consumption and toxic emissions. It all starts with the header, or exhaust manifold. Pipes from the cylinders merge into a collector before being sent on to the catalytic converter.


It is in the catalytic converter that deadly carbon monoxide and nitrous oxide gases are converted into less harmful compounds by breaking up the atomic structure and recombining them into different molecules. (Pretty heady stuff, eh?) As the exhaust gas continues its journey to the outside, it passes through the oxygen (or O2) sensor. This device really takes over the function of the old choke knob, sending electronic signals to the fuel injectors which make constant fine adjustments to the fuel/air mixture in response to changing driving conditions.


The last stop is the muffler, which takes the ear-shattering noise of those thousands of cylinder explosions every minute and transforms them into a quiet purring noise. The muffler uses a special acoustic chamber in order to bounce the sound waves back against themselves, effectively canceling them out. Finally, exhaust gases - now in the form of harmless CO2, nitrogen and water vapor - exits out the tip, or tailpipe. If you like, you can improve performance by adding a custom header and/or an X-pipe to your Subaru Impreza Exhaust System. Both of these accessories allow for more efficient flow of exhaust, adding to your engine's horsepower potential. All elements of the Subaru Impreza Exhaust System are available here in our online store for the lowest prices anywhere.We'll meet or beat the competition, and pay shipping on all overs of $50 or more!

 
 Part Name Subaru Impreza Exhaust System - Aluminum > Aluminized Steel Click Image to Enlarge
Exhaust System
Part #F1317359
 Brand Flowmaster
 Fits 2001-2002 Subaru Impreza
 Features
  • Material: Aluminum > Aluminized Steel
  • Series: 40 Series 40 Series Delta Flow American Thunder
  • Exit: Single Rear Exit
 Year 2001-2002
 Description "FLOWMASTER AMERICAN THUNDER EXHAUST SYSTEM KIT, ALUMINIZED STEEL -- Single Rear Exit Exhaust System (SOR), Benefits Include Reduced Backpressure For Improved Acceleration And Towing Power, Cooler Underhood Temperatures, A Cleaner And More Efficient Burn In The Combustion Chambers, Better Fuel Economy, Features Mandrel Bent 16 Gauge Aluminized Steel Tubing, Delivers Lesser Interior Resonance, Includes 2.25%X94 Outlet, 40 Series Delta Flow Muffler, 3.50%X94 Logo Embossed Stainless Tips, And Hardware, Welding All Slip Connections Recommended, With Manufacturer's Limited 3-Year Warranty"
 Your Price $228.52
 Quantity
Subaru Impreza Exhaust System also fits these models:
  • 2001::4Cyl 2.2L "Gas, FI, VIN "4", EJ222" L
  • 2001::4Cyl 2.2L "Gas, FI, VIN "4", EJ222" Outback
  • 2002::4Cyl 2.0L "Gas, FI, Turbo, EJ205" WRX

 
 Part Name Subaru Impreza Exhaust System - Rear Exit Click Image to Enlarge
Exhaust System
Part #B25140075
 Brand Borla
 Fits 2004-2007 Subaru Impreza
 Features
  • Material: Stainless > Stainless Steel
  • Type: Cat-back
  • Exit: Rear Exit
  • Tip Shape: Round
  • Tip Style: Angle-cut Phantom Tip Rolled Angle-cut Phantom Tip
 Year 2004-2007
 Description "BORLA CAT-BACK EXHAUST SYSTEM -- 3 Inlet And Outlet Diameter, 4.5 x 7.75 Single Round Rolled Angle-Cut Phantom Tip, Rear Exit, Made From Aircraft-Quality, 100% T-304 Austenitic And Sound-Absorbing Mandrel-Bent Stainless Steel That Maintains Low Decibels And Protects Against Burnout, Dyno-Proven To Yield An Increase Of 7-15% In Horsepower While Providing Better Fuel Economy, Insulated To Reduce Shell Temperature For A Cooler Driver's Compartment, Increases Flow And Power, Features A Patented Uninterrupted-Flow Design And Multi-Core Technology, With Longer Spike For Scavenging To Generate Maximum Power, With Manufacturer's Million-Mile Warranty"
Fits: AWD MT 4DR/WAGON.
 Your Price $637.44
 Quantity
Subaru Impreza Exhaust System also fits these models:
  • 2007|2006|2005|2004::4Cyl 2.5L WRX STI

 
 Part Name Subaru Impreza Exhaust System - Rear Exit Click Image to Enlarge
Exhaust System
Part #B25140053
 Brand Borla
 Fits 2002-2006 Subaru Impreza
 Features
  • Material: Stainless > Stainless Steel
  • Type: Cat-back
  • Exit: Rear Exit
  • Tip Shape: Round
  • Tip Style: Angle-cut Tip Rolled Angle-cut Tip
 Year 2002-2006
 Description "BORLA CAT-BACK EXHAUST SYSTEM -- 3 Inlet And Outlet Diameter, 3.19 x 6 Dual Round Rolled Angle-Cut Tip, Rear Exit, Made From Aircraft-Quality, 100% T-304 Austenitic And Sound-Absorbing Mandrel-Bent Stainless Steel That Maintains Low Decibels And Protects Against Burnout, Dyno-Proven To Yield An Increase Of 7-15% In Horsepower While Providing Better Fuel Economy, Insulated To Reduce Shell Temperature For A Cooler Driver's Compartment, Increases Flow And Power, Features A Patented Uninterrupted-Flow Design And Multi-Core Technology, With Longer Spike For Scavenging To Generate Maximum Power, With Manufacturer's Million-Mile Warranty"
Fits: AWD AT/MT 4DR SEDAN/WAGON.
 Your Price $438.96
 Quantity
Subaru Impreza Exhaust System also fits these models:
  • 2005|2004|2003|2002::4Cyl 2.0L Turbo WRX
  • 2006::4Cyl 2.5L Turbo WRX


 
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