We have run over 215 MPH at 6.55 with Tweaked II, Our record setting, Twin-Turboed, Outlaw Pro-Street Camaro.

Chassis Dyno Rate Sheet "Separate the Liars from the Flyers."

ANNOUNCING!

Conley's Performance Plus has decided to meet the demands of the serious Buick racers and develop there own brand of STAGE II Headers.

Click here for more info!

Stage II Motors For Sale

Click Here for More Info

Conley’s PERFORMANCE PLUS Inc. is very proud to announce their new line of custom “RACE” sheet metal intake manifolds.

CNC flanges, HD walls & top, fully ported and custom designed for your specific race application.

Prices start @ $2500.00 c/w throttlebody and fuel rails. 

SEE MORE PHOTOS

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Announcing!
 ...the addition of our NEW

"Mustang" 1750 HP / 225 MPH Chassis Dyno c/w wide-band O2 sensor & data logging.

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We would like to take this opportunity to thank all of our friends and customers who have helped us over the last 17 years. As you can tell we have changed our website up so we can help you find what you are looking for. Please check out the latest news on Tweaked II - we are having a blast tearing up the track and testing some new technologies.

It is you we owe for our growth and success...

Be sure to check out the latest cars and parts we have for sale as well as our Service Center.

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Note: All returns require RGA#. Orders are subject to restocking charge.
All orders plus S&H

Prices subject to change w/o notice.
Some products are only legal for off-road use ONLY
and can NEVER be used on the highway.

Copyright 2006 All Rights Reserved
Conley's Performance Products

More Info

Own your own autographed replica of "Tweaked"! CHASSIS DYNO Center Store Hours: M-F  9am-6pm Sat 9am-3pm See Photos of our new Building! See a list of our distributors Visit our Special "Tweaked" section