{"product_id":"hdr-67-74-chevy-pass-283-400","title":"Afterburner Headers Painted 1967-1974 Camaro 1968-1974 Chevelle\/Malibu 1968-1974 Nova 1970-1974 Monte Carlo 283-400 Sbc Tube Size 1.625 Inch Collector Size 3 Inch FlowTech","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 49100FLT\u003c\/p\u003e\u003cp\u003eFLOWTECH's Afterburner Turbo Chamber Headers represent the first new major design change in exhaust technology in decades. This designs combines the race-proven 4 into 1 design with the torque managing capabilities of a Tri-Y header.The turbo chamber helps smooth out exhaust turbulence for increased performance and a broad power curve.Features and Benefits:Painted versions feature a premium high-temperature black finish Horsepower and Torque increased over conventional header design Big 3 inch secondary collector for reduced back pressure Tuned-length primary tubes combine with Velocity Tube to smooth out exhaust pulses Patented Velocity Tube increases cylinder scavenging All hardware and premium gaskets included for a complete installationAssociated Notes: Will not fit angle plug heads.Details:Air Injection Tubes: NoBolt size: 3\/8-16 x 3\/4Bolts Included: YesCARB (California) Compliant: NoCollector Attachment: 3-Bolt FlangeCollector Diameter: 3.00 InchCollector Reducer Included: YesCollector Reducer Outlet Diameter: 2.50 InchColor: BlackCylinder Head Flange Thickness: 3\/8Design: Long TubeDrive: 2WDEGT (Exhaust Gas Temperature) Port: NoEmission Code: 4Engine: Chevrolet Small Block Gen IFinish: PaintedGasket Or Seal Included: YesGrade Type: PerformanceHeader Finish: Black PaintHeader Series: Flowtech IHeader Style: Long TubeMaterial: Mild SteelMounting Hardware Included: YesOxygen Sensor Port: NoPort Shape: OvalPrimary Tube Dia.: 1-5\/8 inchPrimary Tubing Diameter: 1-5\/8, 1.625 InchProduct Type: HeadersQuantity: Sold as a pairSheen Level: SatinTube Material: Mild Steel\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePainted versions feature a premium high-temperature black finish\u003c\/li\u003e\n\u003cli\u003eHorsepower and Torque increased over conventional header design\u003c\/li\u003e\n\u003cli\u003eBig 3\" secondary collector for reduced back pressure\u003c\/li\u003e\n\u003cli\u003eTuned-length primary tubes combine with Velocity Tube to smooth out exhaust pulses\u003c\/li\u003e\n\u003cli\u003ePatented Velocity Tube increases cylinder scavenging\u003c\/li\u003e\n\u003cli\u003eAll hardware and premium gaskets included  for a complete installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e1967-1974 Camaro, 1968-1974 Chevelle\/Malibu, 1968-1974 Nova, 1970-1974 Monte Carlo: 283-400 SBC, Tube Size 1.625\", Collector Size 3\"\u003c\/p\u003e","brand":"Flowtech","offers":[{"title":"Default Title","offer_id":51828768801080,"sku":"F00M 49100FLT","price":389.95,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/hdr-67-74-chevy-pass-283-400","provider":"MOTORMIA","version":"1.0","type":"link"}