Free shipping on orders over $200 to the continental USA

STM Evo 7/8/9 Stainless GESI UHO Catted Pipe

STM Tuned Inc.



The STM Stainless Steel GESI UHO Catted Test Pipe for the Evo 8/9 is a direct replacement upgrade for your factory cat and will bolt to most aftermarket 3" 2-bolt exhausts and downpipes (anything that keeps the stock location for the cat.) Includes two welded oxygen sensor bungs and one plug to accommodate all set-ups. Two Remflex gaskets are included along with all new mounting hardware for a clean install.

Check all local laws before purchase!

Vehicle Fitment:
2001-2006 Mitsubishi Lancer Evolution VII VIII IX

7830 GESI UHO Catalytic Converter:
The GESI UHO Metal Core Catalytic Converter from Vibrant Performance (7830) has been designed to provide a reliable solution to the most common converter problems experienced by our customers.
• EPA certified for use on 1996+ OBD2 vehicles. (49-State excludes California.)
• Full Stainless Steel construction, including the substrate which is furnace braised to the mantle for outstanding durability
• Unique end-cap design locks substrate in so it can't rattle around
• The GESI proprietary precious metal loading technology ensures greatly reduced emissions, eliminating most "Check Engine Light" issues
• Capable of withstanding up to 1500°F
• Ideal for forced induction applications, with no loss of HP

Features & Specs:
• Weighs 6.0 Pounds
• High Flow 300 Cell Cat
• 500-850 HP Engine Limit Per Bank
• Hand Fabricated
• Tig-Welded
• Back-Purged
• Full Stainless Steel
• 3" with 2-Bolt Exhaust Flanges
• CNC Flanges
• O2 Bungs and Plug Included
• Gaskets and Hardware Included
• Bolts to Factory Downpipe and Cat-Back or Stock-Placement Pipes
• Check all local laws before purchase for street use

Made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.
(* This does not include the natural life of the converter *)

(1) STM Race Pipe with GESI UHO Cat
(2) Remflex 3" Gaskets
(4) M10 x 35 Bolts
(4) M10 Flat Washers
(4) M10 Nuts
(1) O2 Bung Plug

Shipping Times: 1-10 Days
Hand crafted and welded in New York, please give our fabricators time to create your piece!

See more STM Parts
See more STM Products
© All content is property of STM Tuned Inc
We price match!
If you find it cheaper, just give us a call!
(585) 226-8226

© All content is property of STM Tuned Inc

We price match!
If you find it cheaper, just give us a call!
(585) 226-8226

Customer Reviews

Based on 1 review
Fantastic CAT. No more odor

Cancer and Reproductive Harm