Circuit Werks

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Circuit Werks Specialize in performance exhaust and performance parts.

Circuit Werks 92-00 Honda Civic 94-01 Acura Integra K20/K24 K Swap EG EK DC2 K-Series V2 Tri-Y HeaderAlso Available With...
10/19/2026

Circuit Werks 92-00 Honda Civic 94-01 Acura Integra K20/K24 K Swap EG EK DC2 K-Series V2 Tri-Y Header

Also Available With Megaphone (Limited Stock)

Note: Modified K24 Top End with K20 - Depending on the mount height variances you may have to modify the subframe for fitment

Does Not Fit CRX / EF

Circuit Werks 2008-2014 Lexus ISF IS-F Titanium Mufflered Axle Back Exhaust SystemAlso Offered In Burnt TitaniumLimited ...
10/17/2026

Circuit Werks 2008-2014 Lexus ISF IS-F Titanium Mufflered Axle Back Exhaust System

Also Offered In Burnt Titanium

Limited Stock And Availability

Circuit Werks 12-19 Fiat Abarth 500 1.4L Turbo Resonated DownpipeAlso available in non-resonated straight through ...
10/16/2026

Circuit Werks 12-19 Fiat Abarth 500 1.4L Turbo Resonated Downpipe

Also available in non-resonated straight through

10/15/2026

Thanks for showing our Circuit Werks 09-12 Porsche 987.2 Boxster Cayman Sport Exhaust Manifold Headers With Custom Muffler Delete Duc Trinh

Note: Tune or O2 Spacers Required

Check out the full version installation walkthrough via YouTube Duc Trinh

#9872

Circuit Werks Dodge 2015-2020+ Differential Brace Anodized Red SRT Hellcat S**t Redeye Anodized RedAlso Available in Ano...
10/13/2026

Circuit Werks Dodge 2015-2020+ Differential Brace Anodized Red SRT Hellcat S**t Redeye Anodized Red

Also Available in Anodized Black

**tPack

10/10/2026

Depths of the archives we had this gem!

Circuit Werks 07-15 Mitsubishi Lancer EVO X 3 Evolution Single Outlet Muffler Catback

Upgrade your Nissan Z's skinny y-pipe our larger diameter Circuit Werks 2023-2027 Nissan 400 Z Z34 Y-pipe ...
10/08/2026

Upgrade your Nissan Z's skinny y-pipe our larger diameter Circuit Werks 2023-2027 Nissan 400 Z Z34 Y-pipe

You don't want Titanium. You NEED Titanium! There's a difference.Circuit Werks 2001-2006 BMW M3 E46 Titanium Axle Back E...
10/07/2026

You don't want Titanium. You NEED Titanium! There's a difference.

Circuit Werks 2001-2006 BMW M3 E46 Titanium Axle Back Exhaust

Circuit Werks 2001-2007 GMT800 Chevy GMC Transfer Case Brace GM Duramax Diesel LB7 LLY LBZVehicle Fitment:- 2001–2006 Ch...
10/05/2026

Circuit Werks 2001-2007 GMT800 Chevy GMC Transfer Case Brace GM Duramax Diesel LB7 LLY LBZ

Vehicle Fitment:

- 2001–2006 Chevrolet Silverado 2500HD / 3500HD (6.6L Duramax LB7 / LLY / LBZ)

- 2007 Chevrolet Silverado 2500HD Classic (6.6L Duramax LBZ)

- 2007 Chevrolet Silverado 3500 Classic (6.6L Duramax LBZ)

- 2001–2006 GMC Sierra 2500HD (6.6L Duramax LB7 / LLY / LBZ)

- 2001-2006 GMC Sierra 3500 (6.6L Duramax LB7 / LLY / LBZ)

- 2007 GMC Sierra 2500 HD Classic (6.6L Duramax LBZ)

- 2007 GMC Sierra 3500 Classic (6.6L Duramax LBZ)

Tech Note:

- 8th Vin Digit is 1, 2, or D
- GMT800 Body Style
- Allison Transmission
- 4x4 (Does NOT fit 2wd)
- LB7 LLY LBZ ONLY

⚠️ If you or someone has done a engine/transmission swap to your vehicle these guidelines will not apply

Circuit Werks 13-16 Porsche Cayman Boxster 981 Base S Catback Exhaust SystemAlso Available With Burnt Tips ...
10/03/2026

Circuit Werks 13-16 Porsche Cayman Boxster 981 Base S Catback Exhaust System

Also Available With Burnt Tips

Address

1862 Firman Drive Suite #2
Richardson, TX
75081

Opening Hours

Monday 9am - 5:30pm
Tuesday 9am - 5:30pm
Wednesday 9am - 5:30pm
Thursday 9am - 5:30pm
Friday 9am - 5:30pm

Telephone

+19729920777

Website

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