Invidia 08-11 STi Hatch / 11 WRX Hatch Dual N1 Single Layer Titanium Tipped Cat-back Exhaust (HS08ST (HS08STIGTT) _AIR_VENTS_COVER_(4) MAC Valve has completely custom

MAC Valve has completely custom made the valve for us(only MAC valve on the market to be custom made for automotive tuning use)

True Plug-and-Play "Drop-in Fit" Installation - Requires Absolutely No Modifications

100% TIG Welded vs OEM Crimped Plastic End Tanks for Maximum Strength & Durability

This software carefully remaps factory BMW DME tables

Engineered for chemical resistance to methanol solutions

Invidia 08-11 STi Hatch / 11 WRX Hatch Dual N1 Single Layer Titanium Tipped Cat-back Exhaust (HS08ST (HS08STIGTT) _AIR_VENTS_COVER_(4) MAC Valve has completely customFor a good balance of price and performance, Invidia offers the motorsports enthusiasts a strong line up of Invidia N1 Exhaust is constructed with high quality SUS304 stainless steel, CNC machined flanges, and manufactured with a polished finish. Each system features mandrel bent stainless steel piping for maximum exhaust flow and reduced back pressure. These exhausts are engineered to produce strong mid to top end power gains, as well as an increase