Borla 02-14 WRX / 04-18 STi Header 1998-bmw-318ti-esi7159796 or a 0-5v voltage-based MAF

or a 0-5v voltage-based MAF

Largest “drop-in fit” intercooler available in the industry

NRG Short Spline Adapter - Polaris RZR / Ranger (Secures w/OEM Lock Nut / Fits Quick Lock) - Black

It features 4 black coated T-304 stainless steel tips

Borla 02-14 WRX / 04-18 STi Header 1998-bmw-318ti-esi7159796 or a 0-5v voltage-based MAFThis header is covered by California Air Resources Board Executive Order (E. O.) # D 276 12 for the 2001 2003 Subaru Impreza WRX. Gaskets are NOT included. Reuse Original Equipment (O. E.) gaskets or purchase gaskets separately. Increased performance through efficient exhaust gas flow through the 1. 625" primary tubes and 2. 25" collector. Greater durability through high quality materials including , T 304 austenitic stainless steel, a unique,