KSH LT Header & X-Pipe (Kooks Part: 2311H430)
If you want to unlock serious power from your supercharged Cadillac LSA engine, swapping out those tight factory manifolds for the KSH LT Header & X-Pipe (Kooks Part: 2311H430) is easily one of the best upgrades you can do. The stock setup on these cars chokes the supercharger down way too much. Upgrading to the KSH LT Header & X-Pipe (Kooks Part: 2311H430) lets those hot exhaust gases escape fast, dropping your boost stack-up and giving you an instant jump in horsepower.We tell our customers to go with the KSH LT Header & X-Pipe (Kooks Part: 2311H430) because it pairs high-flowing 1-7/8 inch headers with a massive 3-inch stainless steel X-pipe. Plus, this whole setup features Kooks' specialty Green catalytic converters, so you don't have to worry about melting your cats when pushing high boost on a modified forced-induction engine.Features and Benefits
- Heavy-Duty Stainless Steel: The complete KSH LT Header & X-Pipe (Kooks Part: 2311H430) system uses high-grade stainless steel. It won't rust out or crack when you are heat-cycling the car hard at the track or on the street.
- Perfect Primary Sizing: Tube dimensions on the KSH LT Header & X-Pipe (Kooks Part: 2311H430) are optimized perfectly for stock or modified 6.2L LSA builds, bringing a massive jump in mid-range torque without losing low-end throttle response.
- High-Flow Green Cats: The integrated 3-inch X-pipe utilizes Kooks Green catalytic converters. They flow way better than stock parts, get rid of that nasty un-catted raw exhaust smell, and handle severe racing heat easily.
- Aggressive V8 Growl: This exhaust layout changes the whole vibe of your CTS-V. It barks loud when you bury the throttle but stays totally quiet and manageable when you are just cruising on the highway.
- No-Hassle Fitment: Kooks builds these kits specifically around the CTS-V undercarriage. Clearance around your steering shaft, frame rails, and lines is completely spot on.
Vehicle Fitment
Double-check your exact vehicle year and platform before buying. The KSH LT Header & X-Pipe (Kooks Part: 2311H430) fits:- Model Years: 2009, 2010, 2011, 2012, 2013, 2014
- Vehicle Models: Cadillac CTS-V (Works for Sedan, Coupe, and Wagon body styles).
- Engine: 6.2L Supercharged LSA V8 layout only.
FAQ
Do I need a custom tune right after installing the KSH LT Header & X-Pipe (Kooks Part: 2311H430)?
Yes, you definitely do. Changing out factory manifolds for long tubes moves a ton more air through the engine. You will need a custom ECU tune to get the most power out of it and keep the check engine light from popping up on your dash.Why are the Green cats in this kit better than cheap high-flow cats?
Standard high-flow catalytic converters melt or fall apart quickly under the massive heat and pressure of a supercharged 6.2L engine. The specialty cats built into the KSH LT Header & X-Pipe (Kooks Part: 2311H430) are engineered directly for high-horsepower racing applications so they won't degrade inside.Are O2 sensor extensions included in the box?
Yes, they are. Since long tube headers move the collector location further back under the car body, your stock wiring won't reach. The kit includes the necessary extension harnesses and the core mounting hardware to bolt the flanges straight to your cylinder heads.
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