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5" lowering capability
It uses a double sheer mount to the crossmember with a greasable Delrin bushing for smooth
120” steel sleeve that is TIG welded and sanded in place
BMRs Polyurethane Motor Mount Kit (MM550) reduces engine deflection and is designed for street performance
The fully adjustable unit is vacuum referenced and utilizes a hex adjustment stud with jam nut
XR-1 Raceline - Sportsman Muffler 1987-pontiac-firebird-esi3246161 5" lowering capabilityCompact size is perfect for applications with limited space. Reversible design for installation flexibility. High quality T 304 austenitic stainless steel will never rust. 100% welded construction for strength. Free Flow design for improved performance. High temperature continuous filament fiber (CFF) acoustic material for sound control. Natural mill finish can be brushed or polished prior to installation. Hands down, Borla(r)'s XR 1 race line parts
