Welcome to Stewart Dyno Center. We offer dyno
services for Micro Sprints, Mini Sprints, and more.

We manufacture component parts for race car builders at discount prices. Call or send drawings and quantity required.
(618) 942-6064

SUPERMAX HP RACING MUFFLER

Read More About Our Mufflers
2-3 Additional HP
Replaceable Packing & Great Looking
$275 Plus Shipping

Mike Rutherford won the big
Lanco PA 600 Speedweek race
running a Stewart Dyno muffler.

Dyno Engine Test Stand

Dynapack Evolution Chassis Dynometer

CNC Machining Services

Midwest Tuning Center & Sales for
Guhl Injection Systems

See what our Customers are saying...

Do you have the NEED for SPEED?

Unless you have had your engine dyno tuned on a chassis dynometer you are not getting maximum horsepower.

We have increased horsepower on every engine.

By Appointment Only
Click Here For Directions

We offer credit and debit card service, accepting
Master Card, Visa, and Discover Cards.

There is a 3% add on fee for all credit card purchases.