Exhaust & Heat Exchanger SSI Package | Porsche 911 1974–83 |

High-performance stainless steel package for replacing corroded heat exchangers. (References: 90111115704, 90111119300, 91111319001, 91110772910, 91110773910, 93021162201, 91165911901). Includes SSI heat exchangers and Dansk single-outlet muffler (60 mm).

• Advantages: More horsepower, fuller sound, titanium-stabilized AISI 321 stainless steel
• Fitment: Porsche 911 2.7L / 3.0L (1974-83)