The Speed Engineering universal weld-in catalytic converter has a 3" inlet and 3" outlet, a 7" overall length, and a 4" mid-section. It has a 300 CPSI count and is designed for naturally aspirated and low boost applications. It is not designed for any specific vehicle, so fabrication is required to install it.
⚠️ Important Notes:
- Universal weld-in converter. Not designed for any specific application. Fabrication is required
- California Proposition 65 warning: this product can expose you to chemicals including chromium and nickel, which are known to the State of California to cause cancer, birth defects, or reproductive harm. For more information go to www.p65warnings.ca.gov
Features:
- 3" Inlet / 3" Outlet
- 7" Total Length
- 4" Mid-Section
- 300 CPSI
- Designed for NA and Low Boost Applications
- Universal Weld-In: Fabrication required
FAQ
What size is this catalytic converter?
It has a 3" inlet and 3" outlet, a 7" total length, and a 4" mid-section.
What is the cell count?
The converter has a 300 CPSI count.
Is it a direct-fit converter?
No. It is a universal weld-in converter that is not designed for any specific application, so fabrication is required.
Can it be used on a boosted engine?
It is designed for naturally aspirated and low boost applications.
Is this part street legal?
No. Speed Engineering sells this catalytic converter as a race-only product intended for competition use only. Installation on a street-driven vehicle may violate the Clean Air Act (42 U.S.C. 7522(a)(3)).
⚠️ Race Use Only: This product is manufactured and sold for installation on vehicles used solely for competition. Once installed, the vehicle may not be used, registered, or licensed for use on a public road or highway. Installation on a street-driven vehicle may violate the Clean Air Act 203(a)(3), 42 U.S.C. 7522(a)(3).

