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The Best Ls6 Intake Manifold of 2023 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best Ls6 Intake Manifold of 2023. Check our ranking below.
2,229 Reviews Scanned
- Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
- GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
- GM regularly updates production and service part designs to integrate new materials and technologies
- [Applicable Engine] Compatible with LS based engines with cathedral port heads shape; Compatible with 4.8L 5.3L LS1 LS2 LS6 original engine. For LS 4 bolt intake with cable drive only, not for drive by wire.
- [Some Models] Compatible with Chevy Corvette 97-07 | Corvette Z06 01-04 | SSR 05-06 | TrailBlazer SS 06-09 | Cadillac CTS V-series 04-07 | Pontiac Firebird Formula Trans AM 98-02 | Pontiac GTO 05-06 | Saab 9-7X Aero 08-09.
- [Size] 102mm/4.02" inlet with 210mm height (taller); 1/8" thick T6061 aluminum; vacuum ports (1/4NPT & 1/8NPT) with plug; rear M12 x 1.25 MAP port for 10 MAP.
- [Throttle Body] Drive by cable, Idle a-ir control (IAC) and throttle position sensor (TPS) installed. Flow Rate: 1218 CFM, Working pressure: 85 PSI, Burst pressure: 245 PSI.
- [Note] Fits original factory fuel injectors for LS1 and LS6, but different spacers may be required for LS2.
- Longer runners & larger air inlet than stock deliver added HP while maintaining low-RPM torque
- Available in a sleek black finish for stunning good looks when installed on any LS engine
- Modular, removable runner design allows for easy disassembly & porting
- Advanced polymer material makes intake lighter than aluminum & run much cooler
- C.A.R.B.-approved no. D-279-8
- FITS GM LS1, LS2, and LS6 cylinder heads with cathedral intake ports
- ACCEPTS 92mm or 102mm throttle bodies
- INCLUDES fuel rail kit, intake seals, hardware, LS3 style MAP sensor port, and vacuum port fittings
- 2200-6800 RPM RANGE for most street and race applications
- FABRICATED FROM ALUMINUM and finished in black
- Evenly distributes the combustion mixture (or just air in a direct injection system) to each intake port in the cylinder head for proper function
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE. Vehicle fiment-Buick-Allure 2008-2009, Lacrosse 2008-2009, Chevy-Impala 2007-2009, Monte Carlo 2007, Pontiac-Grand Prix 2007-2008
- Manufactured to GM OE specification for fit, form, and function. Engineered using the latest technology to provide outstanding performance
- Manufactured to meet or exceed strict quality requirements
Last update on 2025-07-28 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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FAQ:
Q: Can a LS6 manifold be swapped with an LS1 manifold?
A: Additionally, the LS6 intake manifold is also a fan favorite for manifold swaps as well. The LS6 intake and manifold bolts directly onto the LS1 and provides power gains of nearly 25whp and 20wtq.
Q: Is the Dorman LS6 intake manifold the same as the LS2?
A: Dorman says it also has a 90mm LS2 intake in the works that will be a true performance upgrade for the LS1/LS2 manifolds and an improvement on the original LS6, too. The bottom line is less scrambling (and less money) for LS enthusiasts looking for that quick LS6 power upgrade.
Q: Is the Chevy LS6 intake a good intake?
A: The LS6 intake is actually built really well from the factory and has plenty of air flow. It is actually so good that a ton of LS1 owners swap LS6 intakes and intake manifolds onto their cars, in favor of aftermarket brands.
Q: What kind of throttle body does Dorman intake manifold use?
A: The Dorman LS6 replacement intake manifold (denoted by the red line) delivered nearly the same power as the original LS6 (blue line). Both the original GM LS6 and Dorman intakes were mated with a 78mm throttle body; the FAST manifold (black line) used a 90mm throttle body for its test.