CHEVY TRAILBLAZER SS 2.5" TRUE DUALS SYSTEM WITH S-TUBE TURBO STYLE MUFFLERS, INCLUDES; X-PIPE, 4" POLISHED - SLASH CUT - ROLLED EDGE TIPS, 2.5" ACCUSEAL CLAMPS AND SPECIAL HANGERS. FOR USE WITH STAINLESS WORKS TBSS HEADERS, PART # "TBSS" OR "TBSSOR". WILL REQUIRE REMOVAL OF SPARE TIRE & CUTTING OF STOCK REAR VALENCE SECTION. VERY AGGRESSIVE SOUND!!!