1989-1993 Geo Storm GSi 1.6L 1.8L DOHC header Pacesetter 70-1011. The Pacesetter Geo Storm GSi header (pictured above) uses 1 3/8" diameter tubing and a 2" collector. The Pacesetter Geo Storm GSi header features mandrel bent mild steel tubing with surface ground, thick flanges for a good seal and are painted black. Hookups for smog and engine management sensors are included and the header extension to the exhaust system is included as well. Scroll down the page for the Geo Storm SOHC header application. The Pacesetter Geo Storm header works great for street, show or track. Pacesetter Geo Storm header performance can be yours today! Why wait for your Geo Storm header? 1989-1993 Geo Storm GSi 1.6L 1.8L header Pacesetter 70-1011 70-1011APPLICATIONS:: 1993 GEO STORM GSi 1.6L header1992 GEO STORM GSi 1.6L header1991 GEO STORM GSi 1.6L header1990 GEO STORM GSi 1.6L header1989 GEO STORM GSi 1.6L header1993 GEO STORM GSi 1.8L header1992 GEO STORM GSi 1.8L header1991 GEO STORM GSi 1.8L header1990 GEO STORM GSi 1.8L header1989 GEO STORM GSi 1.8L header We welcome CANADIAN customers! For ordering information, click on "Canadian Order Info" at the top left side of this page. LOW COST SHIPPING! Just $12.95 to ship your entire order by U.P.S. ground within the continental United States. Purchase any quantity of items and you pay just $12.95 to have it shipped! The more you order, the more you save! (Orders to Hawaii, Puerto Rico, Virgin Islands, and some parts of Alaska will have additional shipping charges. Customers located in these areas will be emailed the shipping costs for approval before we ship the order.) We use Postal Priority for APO and FPO addresses only. Additional shipping charges may apply to these addresses.