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

STM Tuned Inc.


Vehicle Fitment:
2001-2006 Mitsubishi Lancer Evolution VII VIII IX
For JDM Evo 7, Please select USDM rear bumper for proper fitment.

The STM Titanium Cat-Back Exhaust for the Evo 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.

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.

Featured below installed with the STM Downpipe, Resonated Stainless Test Pipe with 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

STM Products are 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

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© All images are property of STM Tuned Inc

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Customer Reviews

Based on 3 reviews
STM Titanium exhaust

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


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

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