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The 1-7/8" headers offer a step up in flow and are well suited for most street and performance LS swap builds across the full LS engine family
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2006 Chevrolet Trailblazer SS (TBSS) — 6
Should I use this or the standard 8B663H-STD set
Year Make Model Submodel 2008-2012 INFINITI EX35 Base 2008-2009
Vibrant 4 Ply Reinforced Silicone Transition Connector - 4in I.D. x 5in I.D. x 3in long (BLACK) 1968-gmc-k15-k1500-suburban-esi4690706 The 1-7/8" headers offer aVibrant Performance Aramid Reinforced Silicone Transition Hose Couplers feature High Temperature Resistant Aramid Reinforcement Fabric between each layer of silicone which allows for an impressive Operating Temperature Range of 75 Degrees F to 392 Degrees F ( 60 Degrees C to 200 Degrees C). Suitable for Water, Coolant and Air service only. Catalog Capable of withstanding extreme temperatures and heavy duty pressure conditions without swelling or
