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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
FM4-HDR6 kit features ACT's most popular Heavy Duty pressure plate
USE HIGH-FLOW CATS OR MAKE TESTPIPES TO FIT
PPE Headers come in a variety of different options include finishes/coatings
wiring is required
It features a larger 2
PPE Engineering Lexus RCF/GSF/ISF/IS500 Un - Equal length headers - Stainless (145005 - SS) PPE_CeramicCoating_2 FM4-HDR6 kit features ACT's mostThe PPE RCF GSF ISF? UnEqual Length 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. NEW: Includes 90 O2 extenders Optional high flow stainless steel Magnaflow cats are an option. They get welded into your stock or aftermarket
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