Speed Engineering's 1-3/4" longtube headers are dyno proven to add over 25 rear-wheel horsepower on 2007–2013 GMT900 applications compared to stock exhaust manifolds
"name": "Do I need any additional parts to install these headers
Pre-installed large oil level sight glass with calibration plug set to the factory fluid level to eliminate overfilling
5i Touring 2009-2013 Subaru Forester X 2009-2013 Subaru Forester X Limited 2009-2013 Subaru Forester X Premium 2011-2013 Subaru Forester X Touring 2009 Subaru Forester XT 2009-2010 Subaru Forester XT Limited 2010-2013 Subaru Forester XT Premium 2011-2013 Subaru Forester XT Touring 2009-2010 Subaru Impreza 2
"name": "How much horsepower do these longtube headers add
Vibrant -10AN 90deg Flare Union Fitting - Aluminum 2023-ford-f-250-super-duty-esi7748202 Speed Engineering's 1-3/4" longtube headersVibrant Performance Male AN Flare Union Adapters are lightweight and constructed from 6061 Aluminum Alloy. Our Male AN Flare Union Adapters deliver quality, reliability, smooth flow, ease of assembly and the comfort of an anti leak seal and are designed to fit most popular oil pumps, fuel pumps, fuel filters and a wide range of other common components. All Vibrant Performance Adapter Fittings are available in anodized black only. Catalog