Circuit Werks
All Circuit Werks Products
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2000-2004 Porsche Boxster 986 2.7/3.2L High Flow Catted Test Pipes 
Sale2000-2004 Porsche Boxster 986 2.7/3.2L High Flow Catted Test Pipes
Regular price $449.99 Sale price $359.992000-2004 Porsche Boxster 986 2.7/3.2L High Flow Catted Test Pipes
Sale price $359.99 Regular price $449.99 -
2008-2013 Infiniti G37 Catless Straight Test Pipes 
Sold out2008-2013 Infiniti G37 Catless Straight Test Pipes
Regular price $212.99 Sale price $169.992008-2013 Infiniti G37 Catless Straight Test Pipes
Sale price $169.99 Regular price $212.99 -
10-14 BMW 535i/ix640i/ix740i/Li F01 F02 F07 F10 F12 F13 N55 3.5″ Downpipe 
Sale10-14 BMW 535i/ix640i/ix740i/Li F01 F02 F07 F10 F12 F13 N55 3.5″ Downpipe
Regular price $319.99 Sale price $264.9910-14 BMW 535i/ix640i/ix740i/Li F01 F02 F07 F10 F12 F13 N55 3.5″ Downpipe
Sale price $264.99 Regular price $319.99 -
05-12 Porsche Boxster Cayman Base/ S 987.1 Exhaust X-pipe Tips 987.2 
Sold out05-12 Porsche Boxster Cayman Base/ S 987.1 Exhaust X-pipe Tips 987.2
$499.9905-12 Porsche Boxster Cayman Base/ S 987.1 Exhaust X-pipe Tips 987.2
$499.99 -
97-04 Porsche Boxster 986 V2 Catback Exhaust System w/ C Pipes, Burnt Tips 
Sold out97-04 Porsche Boxster 986 V2 Catback Exhaust System w/ C Pipes, Burnt Tips
Regular price $749.99 Sale price $699.9997-04 Porsche Boxster 986 V2 Catback Exhaust System w/ C Pipes, Burnt Tips
Sale price $699.99 Regular price $749.99 -
2018+ 3.3L Kia Stinger Differential Red Brace Bracket Genesis G70 V6 Turbo 
Sold out2018+ 3.3L Kia Stinger Differential Red Brace Bracket Genesis G70 V6 Turbo
Regular price $201.99 Sale price $160.992018+ 3.3L Kia Stinger Differential Red Brace Bracket Genesis G70 V6 Turbo
Sale price $160.99 Regular price $201.99 -
Mazda Miata 89-93 1.6 NA B6ZE (RS) MX-5 MX5 S.S. Headers Exhaust Manifold 4-2-1 
SaleMazda Miata 89-93 1.6 NA B6ZE (RS) MX-5 MX5 S.S. Headers Exhaust Manifold 4-2-1
Regular price $749.99 Sale price $359.99Mazda Miata 89-93 1.6 NA B6ZE (RS) MX-5 MX5 S.S. Headers Exhaust Manifold 4-2-1
Sale price $359.99 Regular price $749.99 -
2008-2015 Mitsubishi Lancer Evolution X EVO X 3″ Resonated Test Pipe 
Sale2008-2015 Mitsubishi Lancer Evolution X EVO X 3″ Resonated Test Pipe
Regular price $262.99 Sale price $209.992008-2015 Mitsubishi Lancer Evolution X EVO X 3″ Resonated Test Pipe
Sale price $209.99 Regular price $262.99 -
2013-2016 Dodge Dart 1.4L Turbo Resonated Downpipe 
Sale2013-2016 Dodge Dart 1.4L Turbo Resonated Downpipe
Regular price $324.99 Sale price $259.992013-2016 Dodge Dart 1.4L Turbo Resonated Downpipe
Sale price $259.99 Regular price $324.99 -
03-16 Infiniti G35 G37 Q60 Resonated Y Pipe Mid Pipe Exhaust 
Sale03-16 Infiniti G35 G37 Q60 Resonated Y Pipe Mid Pipe Exhaust
Regular price $599.99 Sale price $499.9903-16 Infiniti G35 G37 Q60 Resonated Y Pipe Mid Pipe Exhaust
Sale price $499.99 Regular price $599.99 -
2014-2024 IS IS250 IS350 IS200T RWD AWD Rear Axle-Back Exhaust System Muffler w/ Tips 
Sold out2014-2024 IS IS250 IS350 IS200T RWD AWD Rear Axle-Back Exhaust System Muffler w/ Tips
$399.992014-2024 IS IS250 IS350 IS200T RWD AWD Rear Axle-Back Exhaust System Muffler w/ Tips
$399.99 -
88-01 Honda Civic CRX Acura Integra B series 5 bolt Universal T3/T4 Turbo Downpipe B16 B18 B20 LS GSR 
Sale88-01 Honda Civic CRX Acura Integra B series 5 bolt Universal T3/T4 Turbo Downpipe B16 B18 B20 LS GSR
Regular price $187.99 Sale price $149.9988-01 Honda Civic CRX Acura Integra B series 5 bolt Universal T3/T4 Turbo Downpipe B16 B18 B20 LS GSR
Sale price $149.99 Regular price $187.99 -
o2 CEL Fix Adapters / Spacers Lambda Lambda/Oxygen Sensor 
Saleo2 CEL Fix Adapters / Spacers Lambda Lambda/Oxygen Sensor
Regular price $34.99 Sale price $27.99o2 CEL Fix Adapters / Spacers Lambda Lambda/Oxygen Sensor
Sale price $27.99 Regular price $34.99 -
ISF Lexus Intake Duct Scoop Ram Air Black 
SaleISF Lexus Intake Duct Scoop Ram Air Black
Regular price $181.99 Sale price $139.99ISF Lexus Intake Duct Scoop Ram Air Black
Sale price $139.99 Regular price $181.99 -
02-06 Acura RSX Type S / Honda Civic EP3 K20 Tri-Y 4-2-1 K SERIES Header 
Sold out02-06 Acura RSX Type S / Honda Civic EP3 K20 Tri-Y 4-2-1 K SERIES Header
Regular price $374.99 Sale price $299.9902-06 Acura RSX Type S / Honda Civic EP3 K20 Tri-Y 4-2-1 K SERIES Header
Sale price $299.99 Regular price $374.99 -
2003-2006 Nissan 350z Z33 Straight Cat Delete Testpipe 
Sale2003-2006 Nissan 350z Z33 Straight Cat Delete Testpipe
Regular price $224.99 Sale price $179.992003-2006 Nissan 350z Z33 Straight Cat Delete Testpipe
Sale price $179.99 Regular price $224.99 -
16-24 Infiniti Q50 Q60 3.0T Twin Turbo Lower Downpipes VR30DDTT 
Sale16-24 Infiniti Q50 Q60 3.0T Twin Turbo Lower Downpipes VR30DDTT
Regular price $399.99 Sale price $319.9916-24 Infiniti Q50 Q60 3.0T Twin Turbo Lower Downpipes VR30DDTT
Sale price $319.99 Regular price $399.99 -
2008-2014 Lexus ISF Mufflered Axle Back Exhaust System IS-F 
Sale2008-2014 Lexus ISF Mufflered Axle Back Exhaust System IS-F
Regular price $1,124.99 Sale price $999.992008-2014 Lexus ISF Mufflered Axle Back Exhaust System IS-F
Sale price $999.99 Regular price $1,124.99 -
2022-2024 Ford Maverick 3" Straight Downpipe 2.0L Ecoboost 
Sale2022-2024 Ford Maverick 3" Straight Downpipe 2.0L Ecoboost
Regular price $499.99 Sale price $399.992022-2024 Ford Maverick 3" Straight Downpipe 2.0L Ecoboost
Sale price $399.99 Regular price $499.99 -
1992-2000 Lexus SC300 Toyota Soarer mid pipe 1JZ Single Turbo 
Sold out1992-2000 Lexus SC300 Toyota Soarer mid pipe 1JZ Single Turbo
Regular price $287.99 Sale price $229.991992-2000 Lexus SC300 Toyota Soarer mid pipe 1JZ Single Turbo
Sale price $229.99 Regular price $287.99 -
1998-2001 Acura Integra 3DR Type R Rear Splash Guards Mud Flaps GSR ITR DC2 
Sale1998-2001 Acura Integra 3DR Type R Rear Splash Guards Mud Flaps GSR ITR DC2
Regular price $74.99 Sale price $59.991998-2001 Acura Integra 3DR Type R Rear Splash Guards Mud Flaps GSR ITR DC2
Sale price $59.99 Regular price $74.99 -
07-13 BMW 335i E90 E92 N54 N55 Twin Turbo Catback Exhaust Sedan Coupe Thick Wall Tip 
Sale07-13 BMW 335i E90 E92 N54 N55 Twin Turbo Catback Exhaust Sedan Coupe Thick Wall Tip
Regular price $869.99 Sale price $599.9907-13 BMW 335i E90 E92 N54 N55 Twin Turbo Catback Exhaust Sedan Coupe Thick Wall Tip
Sale price $599.99 Regular price $869.99 -
07-15 Mitsubishi Lancer EVO X 3" Evolution Single Outlet Muffler Catback Exhaust 
Sale07-15 Mitsubishi Lancer EVO X 3" Evolution Single Outlet Muffler Catback Exhaust
Regular price $499.99 Sale price $399.9907-15 Mitsubishi Lancer EVO X 3" Evolution Single Outlet Muffler Catback Exhaust
Sale price $399.99 Regular price $499.99 -
13-16 Dodge Dart Straight Downpipe Down Pipe 1.4L Stainless 
Sale13-16 Dodge Dart Straight Downpipe Down Pipe 1.4L Stainless
Regular price $287.99 Sale price $229.9913-16 Dodge Dart Straight Downpipe Down Pipe 1.4L Stainless
Sale price $229.99 Regular price $287.99
