STM Evo 7-9 Stainless Cat-back Exhaust

The STM stainless steel cat back exhaust for Evo 7, Evo 8 and Evo 9 bolts directly to your factory cat or test pipe and saves 14 pounds! Features full 3" mandrel-bent piping and tig-welded flanges with an Ultra-Quiet muffler for the perfect mix of street-ability and performance.

All new mounting hardware is included along with three Remflex graphite gaskets for a leak-free install. We offer two different rear section designs to perfectly match your JDM or USDM rear bumper for a flawless look and fit!

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

Specs & Weights:
• Weighs 21.5 Pounds (Including Hardware)
• Factory Cat-Back Weighs 35.8 Pounds
• Save 14.3 Pounds!
• Hand Fabricated
• Tig-Welded
• Back-Purged
• Full Stainless Steel
• 3" with 2-Bolt Exhaust Flanges
• CNC Flanges
• O2 Bung
• Gaskets and Hardware Included
• Bolts to Factory Cat or 3" 2-Bolt Test Pipe