Circuit Werks

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Circuit Werks Specialize in performance exhaust and performance parts.

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

Circuit Werks Bmw European M57N2 335D E90 E91 E92/E60 E61 535D/E63 E64 635D Diesel Downpipe ...
10/01/2026

Circuit Werks Bmw European M57N2 335D E90 E91 E92/E60 E61 535D/E63 E64 635D Diesel Downpipe

We experienced a major internet and phone outage today. Apologies for any delays of messages and calls as we get back up...
10/01/2026

We experienced a major internet and phone outage today. Apologies for any delays of messages and calls as we get back up and running!

Limited quantities remain! Don't miss out!Circuit Werks 2008-2015 Mitsubishi Lancer Evolution X EVO X 3″ Resonated Test ...
09/30/2026

Limited quantities remain! Don't miss out!

Circuit Werks 2008-2015 Mitsubishi Lancer Evolution X EVO X 3″ Resonated Test Pipe

Circuit Werks 2022+ Honda Civic 1.5L Turbo Catted Downpipe & Front PipeNote: Custom Tune Is Not Required But Recommended...
09/28/2026

Circuit Werks 2022+ Honda Civic 1.5L Turbo Catted Downpipe & Front Pipe

Note: Custom Tune Is Not Required But Recommended To Get The Most Gains

Also available in a catless resonated version

Yes it is intentional 🙈Circuit Werks 2001-2016 Chevy Bolt On Up Pipes Silverado Diesel Duramax GM Turbo 2500 3500 ...
09/25/2026

Yes it is intentional 🙈

Circuit Werks 2001-2016 Chevy Bolt On Up Pipes Silverado Diesel Duramax GM Turbo 2500 3500

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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