STAINLESS WORKS (03+11) CROWN VIC CATBACK SYSTEM LONG TUBE EXHAUST HEADERS

STAINLESS WORKS (03+) CROWN VIC CATBACK SYSTEM OBX Performance Exhaust Manifold Headers Crown Victoria or Grand Marquis 2003-2011V8 2V 4.6L Long Tube Header  Increase Better/Smoother Exhaust Flow At Higher RPM To Generate More Power And Maximum Performance Out Of Your Engine. Great Power Package to Unleashed Hidden Ponies From Your Motor. Get Up To 35% Better Exhaust Gas Flow By Replacing The Restrictive And Inefficient Factory Cast Log Manifolds With These Precision Built High Flow Headers.  Direct Bolt On Set Up Without Any Modification  Precision CNC Machined 3/8 inch Thick Flange  Dyno Tested and Proven to Increase Low End Torque And Horse Power  Includes all accessories as shown  Backed by OBX Limited Life Time Warranty About this item Features Dyno Tested Proven To Increase Low End, High End Torque And Horse PowerPrecise CNC machined with DUAL-TIG welded constructionDirect Bolt On Set Up Without Any ModificationBacked by OBX Limited Life Time WarrantyOBX Genuine Products Design and Quality of OBX U.S.A