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Ships within 48 hours · Estimated delivery Jul 26 - Jul 31
making it a great option for street-legal performance upgrades
faster recovery from overheating and prevents warping of mating surfaces
Optional Ceramic Coatings are available that add good looks along with thermal barrior properties that increase power and lower engine bay temps
DN4-XTR4 kit features an Xtreme pressure plate for the most demanding driver
Secondary Piping Size:3
PPE Engineering Lexus ISF/RCF/GSF headers w/ integrated EPA G-sport catalytic converters(950001-G) PPE_CeramicCoating_3 making it a great optionThe PPE ISF Headers make a significant increase in flow compared to the stock manifolds. Tube lengths and diameters are increased coming together into a ported 4 1 parallel merge collector. Completely TIG welded construction with thick 16 gauge tubing for long lasting power gains. The headers with no cats show a 38 46whp gain The headers with high flow cats show a 28 33whp gain Fits with the stock dipstick tube. Features: 3 8" thick head and outlet
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