Stainless Steel Lexus IS350 All Wheel Drive Headers and optional high-flow cats. Bolt on 16whp (19+ hp at the crank). They offer many features that make them better than any other headers for the IS350. NEW: Includes Plug-n-play O2 conditioner! Header Features: -3/8" thick head and outlet flanges -Mandrel bent 16 gauge tubing -formed collector with spike or optional parallel merge collectors -Equal length tubes -Instructions included -Includes O2 sensor extensions, O2 Conditioner, gaskets -1yr warranty Our headers come with optional Ceramic Coatings that add good looks along with thermal barrior properties that increase power and lower engine bay temps. They are also a great protection against corrosion.ALL WHEEL DRIVE ONLY. ECT/Magnaflow Catalytic converters are EPA compliant. Dyno run:Performed on the Mustang dyno at ADS in Chandler, AZ Before:F-sport intake, custom dual exhaust After:F-sport intake, custom dual exhaust, PPE Headers, no cats Gains: 16whp,. 281whp total (~336hp@crank)
Specifications:
Collector:Formed with SpikeFinish:T304 Stainless SteelGains:18whpIncludes:Instructions, O2 Sensor Extensions, 02 Simulator and GasketsTubes:Equal Length-16 GaugeWarranty:1 YearFitment Spec:Vehicle SpecificPart Type:Headers & Manifolds
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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We reward enthusiasts who trust us with their major projects. Use these tiered codes at checkout to apply instant savings to your order:
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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Exclusions:
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To ensure every customer receives brand-new, untampered components, parts that have been installed, modified, or used are non-returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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Fitment Guarantee
Fitment guides and tools are helpful—but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double-check for you. We take the guesswork out of your purchase by standing behind our expertise.
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