STM Evo 7/8/9 O2 Downpipe Recirculated for OEM-Style Housing

<p>The STM Evo 7/8/9 O2 Housing Downpipe combo is the perfect bolt-on addition to your exhaust! Features a recirculated design to route the wastegate back through the exhaust.<br><br>The all-in-one stainless steel design will eliminate extra hardware and flow smoothly straight through from the turbo utilizing the tapered CNC flange. All gaskets and necessary hardware are included for a clean install.<br><br><span style="color: #ff2a00;">Vehicle Fitment:</span><br>2001-2006 Mitsubishi Lancer Evolution VII VIII IX<br>• Fits with OEM or factory-style turbo hotside<br><br><span style="color: #ff2a00;">Features:</span><br>• Recirculated <br>• Hand Fabricated<br>• Tig-Welded<br>• Back-Purged<br>• 3" Stainless Steel<br>• CNC Flanges<br>• Gaskets and Hardware Included<br>• Made in the USA!<br>• Lifetime Warranty on STM Parts to the original purchaser against manufacturing defects<br><br><span style="color: rgb(255, 42, 0);">Weights:</span><br>• STM Downpipe weighs 9.7 pounds<br>• Gaskets &amp; Hardware weigh 5.7 ounces<br><br><span style="color: #ff2a00;">Purchase Includes:</span><br>(1) STM Stainless Downpipe<br>(1) STM Divided Turbo Outlet Gasket (STM-EVO-SSG-DTO)<br>(1) 3" 2-Bolt Remflex Gasket<br>(2) M10 x 35 Bolts<br>(2) M10 Nuts<br>(2) M10 Flat Washers<br><br><span style="color: #ff2a00;">Shipping Times: 1-14 Days</span><br>Hand crafted and welded in New York, please give our fabricators time to assemble your piece!<br><br><span style="color: rgb(255, 42, 0);">Redesigned In February 2026:</span><br>The new design features the STM engraved stainless flange and smoother transitions for better flow. The updated downpipe is pictured in detail. V1 is pictured installed. Same fit, more flow!</p> <a href="https://stmtuned.com/pages/stm-parts-catalog" style="color: #afafaf;"><img alt="See more STM Parts" src="https://stmbuilt.com/authorized_retailer/stm.jpg"><br> <div style="text-align: center;"><span style="font-size: .8em;"> See more STM Products</span></div> </a>