Circuit Werks

All Circuit Werks Products

Skip to results list
Make
Model
Product type
Availability
Price
to
The highest price is $2,499.99
Clear
477 items
Sort Most relevant
Column grid
Column grid

Filter

Make
Model
Product type
Availability
Price
to
The highest price is $2,499.99
Sort Most relevant
  • Circuit Werks 97-04 Porsche Boxster 986 V2 Polished Muffler Only

    Circuit Werks 97-04 Porsche Boxster 986 V2 Polished Muffler Only

    Regular price  $699.99 Sale price  $599.99

    Circuit Werks 97-04 Porsche Boxster 986 V2 Polished Muffler Only

    Sale price  $599.99 Regular price  $699.99
  • 23+ Nissan Z 400Z Single Exit Exhaust System RZ34

    23+ Nissan Z 400Z Single Exit Exhaust System RZ34

    Regular price  $619.99 Sale price  $495.99

    23+ Nissan Z 400Z Single Exit Exhaust System RZ34

    Sale price  $495.99 Regular price  $619.99
  • 09-20 Nissan 370Z Straight Mid Y-Pipe Exhaust True 2.5" to 3"

    09-20 Nissan 370Z Straight Mid Y-Pipe Exhaust True 2.5" to 3"

    Regular price  $347.99 Sale price  $277.99

    09-20 Nissan 370Z Straight Mid Y-Pipe Exhaust True 2.5" to 3"

    Sale price  $277.99 Regular price  $347.99
  • 97-04 Porsche Boxster 986 V2 Polished Catback Exhaust System

    97-04 Porsche Boxster 986 V2 Polished Catback Exhaust System

    $699.99

    97-04 Porsche Boxster 986 V2 Polished Catback Exhaust System

    $699.99
  • 06-07 Mazda Speed 6 Turbo Back Dual Exhaust 3 Inch, Downpipe, Testpipe

    06-07 Mazda Speed 6 Turbo Back Dual Exhaust 3 Inch, Downpipe, Testpipe

    $1,099.99

    06-07 Mazda Speed 6 Turbo Back Dual Exhaust 3 Inch, Downpipe, Testpipe

    $1,099.99
  • 05-07 MazdaSpeed 6 Outlet Turbo Divorced Downpipe & Resonated Test Pipe

    05-07 MazdaSpeed 6 Outlet Turbo Divorced Downpipe & Resonated Test Pipe

    Regular price  $424.99 Sale price  $339.99

    05-07 MazdaSpeed 6 Outlet Turbo Divorced Downpipe & Resonated Test Pipe

    Sale price  $339.99 Regular price  $424.99
  • Subaru WRX STI 08+ Solid Billet Rear Differential Brace RED Forester Legacy

    Subaru WRX STI 08+ Solid Billet Rear Differential Brace RED Forester Legacy

    Regular price  $249.99 Sale price  $159.99

    Subaru WRX STI 08+ Solid Billet Rear Differential Brace RED Forester Legacy

    Sale price  $159.99 Regular price  $249.99
  • 2007-2013 Mazda speed 3 MPS3 Downpipe 3” Exhaust

    2007-2013 Mazda speed 3 MPS3 Downpipe 3” Exhaust

    Regular price  $499.99 Sale price  $399.99

    2007-2013 Mazda speed 3 MPS3 Downpipe 3” Exhaust

    Sale price  $399.99 Regular price  $499.99
  • Nissan 350Z Differential Brace Black V35 Skyline G35 Vq35de

    Nissan 350Z Differential Brace Black V35 Skyline G35 Vq35de

    Regular price  $118.99 Sale price  $94.99

    Nissan 350Z Differential Brace Black V35 Skyline G35 Vq35de

    Sale price  $94.99 Regular price  $118.99
  • Nissan 350Z Differential Brace RED V35 Skyline G35 Vq35de

    Nissan 350Z Differential Brace RED V35 Skyline G35 Vq35de

    Regular price  $118.99 Sale price  $94.99

    Nissan 350Z Differential Brace RED V35 Skyline G35 Vq35de

    Sale price  $94.99 Regular price  $118.99
  • FORD F350 1999.5-2003 Heavy Duty Up Pipe Bellow POWERSTROKE 7.3L Diesel Turbo

    FORD F350 1999.5-2003 Heavy Duty Up Pipe Bellow POWERSTROKE 7.3L Diesel Turbo

    Regular price  $123.99 Sale price  $89.99

    FORD F350 1999.5-2003 Heavy Duty Up Pipe Bellow POWERSTROKE 7.3L Diesel Turbo

    Sale price  $89.99 Regular price  $123.99
  • 2015+ Porsche Macan GTS, S, Turbo Burnt Tip Complete Downpipe Test Pipe and Exhaust

    2015+ Porsche Macan GTS, S, Turbo Burnt Tip Complete Downpipe Test Pipe and Exhaust

    Regular price  $1,251.99 Sale price  $1,000.99

    2015+ Porsche Macan GTS, S, Turbo Burnt Tip Complete Downpipe Test Pipe and Exhaust

    Sale price  $1,000.99 Regular price  $1,251.99
  • 00-09 Honda S2000 200 Cell High Flow Catalytic Converter AP1 AP2

    00-09 Honda S2000 200 Cell High Flow Catalytic Converter AP1 AP2

    Regular price  $299.99 Sale price  $239.99

    00-09 Honda S2000 200 Cell High Flow Catalytic Converter AP1 AP2

    Sale price  $239.99 Regular price  $299.99
  • 1991-2005 Acura NSX Catback Exhaust System Xpipe Twin Muffler *Burnt Tips*

    1991-2005 Acura NSX Catback Exhaust System Xpipe Twin Muffler *Burnt Tips*

    Regular price  $1,224.99 Sale price  $999.99

    1991-2005 Acura NSX Catback Exhaust System Xpipe Twin Muffler *Burnt Tips*

    Sale price  $999.99 Regular price  $1,224.99
  • 2009-2017 Nissan 370z 370 Z Z34 Test Pipe Anti-Reversion Cat Delete Test Pipes

    2009-2017 Nissan 370z 370 Z Z34 Test Pipe Anti-Reversion Cat Delete Test Pipes

    Regular price  $274.99 Sale price  $219.99

    2009-2017 Nissan 370z 370 Z Z34 Test Pipe Anti-Reversion Cat Delete Test Pipes

    Sale price  $219.99 Regular price  $274.99
  • 00-09 Honda S2000 S2K Header Headers Exhaust Manifold AP2 AP1 F20C F22 2.0L 2.2L

    00-09 Honda S2000 S2K Header Headers Exhaust Manifold AP2 AP1 F20C F22 2.0L 2.2L

    Regular price  $282.99 Sale price  $225.99

    00-09 Honda S2000 S2K Header Headers Exhaust Manifold AP2 AP1 F20C F22 2.0L 2.2L

    Sale price  $225.99 Regular price  $282.99
  • FK8 2017-21 Civic Type R downpipe 3" Full Turbo Downpipe Down Mid Exhaust Pipe

    FK8 2017-21 Civic Type R downpipe 3" Full Turbo Downpipe Down Mid Exhaust Pipe

    Regular price  $599.99 Sale price  $499.99

    FK8 2017-21 Civic Type R downpipe 3" Full Turbo Downpipe Down Mid Exhaust Pipe

    Sale price  $499.99 Regular price  $599.99
  • 05-08 Porsche 987 Headers Cayman & Boxster Header 987.1 Exhaust Manifold

    05-08 Porsche 987 Headers Cayman & Boxster Header 987.1 Exhaust Manifold

    Regular price  $999.99 Sale price  $799.99

    05-08 Porsche 987 Headers Cayman & Boxster Header 987.1 Exhaust Manifold

    Sale price  $799.99 Regular price  $999.99
  • 89-92 Cressida MX83 TOYOTA MARK II / CHASER JZX81 Adjustable Rear Toe Arms For Toe Adjustment

    89-92 Cressida MX83 TOYOTA MARK II / CHASER JZX81 Adjustable Rear Toe Arms For Toe Adjustment

    Regular price  $269.99 Sale price  $249.99

    89-92 Cressida MX83 TOYOTA MARK II / CHASER JZX81 Adjustable Rear Toe Arms For Toe Adjustment

    Sale price  $249.99 Regular price  $269.99
  • 09-12 Porsche 987.2 Boxster/Cayman Resonated Sport Exhaust Manifold/Headers

    09-12 Porsche 987.2 Boxster/Cayman Resonated Sport Exhaust Manifold/Headers

    Regular price  $874.99 Sale price  $699.99

    09-12 Porsche 987.2 Boxster/Cayman Resonated Sport Exhaust Manifold/Headers

    Sale price  $699.99 Regular price  $874.99
  • 22-25 Polaris RZR Pro R Rear Fascia Delete Muffler/Shield Cover

    22-25 Polaris RZR Pro R Rear Fascia Delete Muffler/Shield Cover

    $59.95

    22-25 Polaris RZR Pro R Rear Fascia Delete Muffler/Shield Cover

    $59.95
  • Universal 3.5" Thick Wall Slant Exhaust Tips

    Universal 3.5" Thick Wall Slant Exhaust Tips

    $69.99

    Universal 3.5" Thick Wall Slant Exhaust Tips

    $69.99
  • 2006-2011 Civic SI model only (FG & FA) Tri-Y 4-2-1 Header

    2006-2011 Civic SI model only (FG & FA) Tri-Y 4-2-1 Header

    $374.99

    2006-2011 Civic SI model only (FG & FA) Tri-Y 4-2-1 Header

    $374.99
  • 03-09 Nissan 350Z Z33 Titanium Burnt Tip Single Muffler 4" Exit Y-Pipe Back Exhaust System

    03-09 Nissan 350Z Z33 Titanium Burnt Tip Single Muffler 4" Exit Y-Pipe Back Exhaust System

    Regular price  $929.99 Sale price  $829.99

    03-09 Nissan 350Z Z33 Titanium Burnt Tip Single Muffler 4" Exit Y-Pipe Back Exhaust System

    Sale price  $829.99 Regular price  $929.99