STM Evo 7/8/9 3" Titanium Cat-Back Exhaust

STM Tuned Inc.



We price match!

The STM 3" titanium catback exhaust for Evo 7/8/9 weighs in at only 10.4 pounds and is 100% full titanium. This design is available for USDM or JDM rear bumper fitment with a bare titanium or burned blue tip style.

Vehicle Fitment:
2001-2006 Evolution VII VIII IX
• Select bumper fitment in the purchase menu

More Info:
Weighs 25.4 pounds less than the factory cat-back and will bolt up to your stock or aftermarket 3" cat or testpipe. STM Exhausts utilize your existing exhaust hangers and include all gaskets and hardware for a clean and easy installation.

USA made, hand crafted and beautifully constructed suitable for the street, track and shows. With a smooth, free-flowing design, it is everything you need and nothing you don't with a solid combination of performance, weight, looks, sound and strength.

The STM Titanium Exhaust is built using a 17" titanium muffler and delivers a deep, resonant sound with no raspiness.

Pictured installed with the STM recirculated downpipe, STM resonated stainless test pipe, STM standard placement exhaust manifold and an FP Zephyr.

Specs & Weights:
• Weighs 10.4 pounds
• Factory Cat-Back Weighs 35.8 Pounds
• Save 25.4 pounds!
• Full Titanium
• 17" Titanium Muffler
• Pie-Cut
• Hand Fabricated
• Tig-Welded
• Back-Purged
• 3.5" Tip (Burned Blue or Plain Titanium)
• 3" with 2-Bolt Flanges
• CNC Flanges
• O2 Bung
• Gaskets and Hardware Included
• Bolts to Factory Cat or 3" 2-Bolt Test Pipe

Made in the USA!
Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects.

(1) STM Three Piece Titanium Exhaust
(3) 3" 2-Bolt Remflex Gaskets
(6) M10 x 35 Bolts
(6) M10 Nuts
(6) M10 Flat Washers

Shipping Times: 1-14 Days
Hand crafted and welded in New York, please give our fabricators time to assemble your piece!

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Customer Reviews

Based on 4 reviews
Dylan (Englewood, CO, US)
STM titanium cat back

Best exhaust ever!!!! My Evo is getting everything STM much love from Colorado

Richard Simone (Easton, PA, US)
STM Titanium exhaust

What a well made exhaust system, this thing is bad ass! Everything fit perfect and looks great! Thanks STM!

Jeremy Bowman (Las Cruces, NM, US)

This titanium exhaust is a masterpiece, couldn't be happier. I have never spent this kind of money for an exhaust before but its worth every penny

Andrew Valentine (South Hadley, MA, US)
Titanium cat back

Great fit and finish flush with us bumper nice sound without being to obnoxious, excellent.I use a lot of aftermarket parts for my 71 nova but only go to STM for my evo 9 rs . Top notch shop

Awesome to hear, Andrew! Thank you for your continued business and support. Enjoy your Nova and your Evo 9 RS : )

Cancer and Reproductive Harm