Stainless straight flow pipe fitment for 2007-2012 mazdaspeed 3 / mazda 3 2.3l by obx-rs

T304 fully stainless steel dual t.i.g. welded construction for stronger hold  accessories in photo are included  no installation instruction included in this kit, we recommend professional installation manufacturer's limited lifetime warranty against manufacturer defects (must fill out and return warranty card with a copy of the receipt and within 30 days of purchase date) outlet: 3.0" inlet: 2.8" piping: 3.0" flange thickness: 3/8" o2 bung: n/a egr: n/a flex section: n/a