STM Stainless Steel High Flow GESi EPA Cat | 2001-2006 Mitsubishi Lancer Evolution 8/9 (STM-EVO79-HFC)

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$749.00

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2001-2006 Mitsubishi Lancer Evolution 7/8/9 Stainless Steel High Flow GESi EPA Cat by STM

The STM stainless high flow cat for Evo 7/8/9 features a full stainless steel construction, tig-welded in house at STM and utilizes the 85030 GESi GEN1 ultra high output EPA compliant catalytic converter. Bolts right in place of your stock cat and will fit most aftermarket exhausts that keep the stock location for the cat. Both O2 bungs are included as pictured for your factory o2 sensor and a wideband if you run one, as well as the extra plug if you don't.

Features

  • 300 Cell GESi Gen 1 (for up to 2016 vehicle models) G-Sport UHO EPA Converter (85030)
  • Hand Fabricated
  • Tig-Welded
  • Back-Purged
  • Full Stainless Steel
  • 3" 2-Bolt Exhaust Flange
  • SS Laser Cut Flanges
  • Two O2 Bungs
  • Gaskets and Hardware Included
  • Bolts to Stock Downpipe and Cat-Back
  • Fits with Stock-Placement Aftermarket Downpipe and Cat-Back

Benefits

  • Supports up to 850 HP

Applications

  • 2001-2006 Mitsubishi Lancer Evolution 7/8/9

What's In The Box?

  • 1 - STM Cat Pipe with GESi UHO 300 Cell Cat
  • 2 - Remflex 3" Gaskets
  • 4 - M10 x 35 Bolts
  • 4 - M10 Flat Washers
  • 4 - M10 Nuts
  • 1 - O2 Bung Plug

Warranty

  • STM's Limited Manufacturer's Warranty

Customer Reviews

Based on 4 reviews
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A
Adrian Orilia
STM High Flow Catalytic Converter

Worked perfectly from install to emissions/safety inspection. I live in NY so anyone that lives in a state where the testing is restrictive, this part should hopefully help you pass emissions; I know CT is has similar inspection requirements. Thank you Blake and MAP!

A
Anonymous
Works like a charm!

Installed this on my 06 Evo IX, coupled with an HKS sport exhaust. Fitment was spot on, all necessary hadware, including gaskets were included. Really liked that there was an additional bung for a wideband o2.

L
Luis Vazquez
Just what I needed

MAP team members helped me get this at an unbeatable price . It was also what I needed and the welds on these high flow cats are great! Also has a great time to it without all the restriction of the factory cat.

T
Todd Guinn
Great!

Great exhaust for the price! Not too loud not too quiet even being catless. It was just what I wanted. Fit great!