We consider a ls3 aftermarket intake manifold to be a worthy investment in the long run. We are here to help you pick the right one for your needs from all the best available products in market today.

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Our Top Picks:

Best Overall: Buy: Ict Billet Ls3 Aftermarket Intake Manifold READ REVIEW

Best For L: Buy: Fast Ls3 Aftermarket Intake Manifold READ REVIEW

Best For Air Flow: Buy: Atomic Ls3 Aftermarket Intake Manifold READ REVIEW

Best For Use: Buy: Jegs Ls3 Aftermarket Intake Manifold READ REVIEW

Best For Very Nice Quality: Buy: Laformo Ls3 Aftermarket Intake Manifold READ REVIEW

Best Overall: Ict Billet Ls3 Aftermarket Intake Manifold

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The Ict Billet Ls3 Aftermarket Intake Manifold might be a relatively new release, but it's still nothing short of impressive in this year. And, the manifold is compatible with part number, it works fine and has a flange style. Make sure this fits by entering your model number. Finally, the ict billet ls3 aftermarket intake manifold provides great value, It works as described and has an intake style.

Almost all buyers opine that the manifold will work on any rectangular ls3 lsa zl1 cts-v heads. Further, a few say that the manifold can only be used with the ls3 style rectangle port manifolds. Also, a few say that the manifold is designed for conversions and adapting different intakes to flow properly. As a result, buyers were eager to recommend it to friends and would-be buyers.

• Cathedral port heads to Rectangle port.
• (2) flange plates, (8) o-ring seals intake manifold bolt lengths.
• Good brand reputation.

Best For L: Fast Ls3 Aftermarket Intake Manifold

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The Fast Ls3 Aftermarket Intake Manifold is suitable and reliable and fits well with your daily uses. The fast ls3 aftermarket intake manifold features a 102mm air inlet that is perfectly suited to the fast big mouth 102mm throttle body, for maximum convenience it can also be used with oem or aftermarket 90mm or 92mm throttle bodies. Make sure this fits by entering your model number. The lsxr 102 mm intake manifold features a three - piece modular design that allows easy disassembly and porting.

The manifold is great for a great price and it is black. Further, it includes integrated nitrous bungs and perfect bolt-on fitment that allows the use of factory accessories without modification or clearance concerns. Above all, the fast ls3 aftermarket intake manifold is right, is great for o-rings, it is specific and has improved design.

Most buyers agree that the manifold will fit that block with ls3/l92 heads. In addition, they also found that the manifold has rectangle port heads, this manifold will work. Also, a few also found that the manifold comes with everything hardware wise installed. With no doubts, this manifold passed the test and had very satisfied buyers eager to share their experience.

• Country of origin : United States.
• Package dimensions: 71.12 h x 25.4 l x 40.64 w (centimeters).
• This will not work with factory ls3 fuel rails.
• This fits most c5 and c6 corvettes without modification.

Best For Air Flow: Atomic Ls3 Aftermarket Intake Manifold

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The Atomic Ls3 Aftermarket Intake Manifold's material feels more premium than its price would suggest. The atomic ls3 aftermarketintake manifold is used for fuel system type, is specific, it is used for best value and has improved design. Make sure this fits by entering your model number. The all new atomic airforce intakemanifold from msd delivers improved airflow and distribution to improve the performance of stock and modified engines.

Lastly, the atomic ls3aftermarket intake manifold allows for easy access to the runners for porting.

Almost all customers found that the manifold would work with a ls7 head. In addition, they say that the manifold will not be a direct bolt on and will require further modifications.

• Direct flow path runner design promotes maximum airflow.
• This will work on the 5.3 lt1 engine in your silverado.
• This is not going to work with your ls3 heads.
• 103mm throttle bore allows the use of large throttle bodies for greater air flow.

Best For Use: Jegs Ls3 Aftermarket Intake Manifold

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate manifold. The Jegs Ls3 Aftermarket Intake Manifold is exactly that - it's a simple manifold that hits all the right notes. The jegs ls3 aftermarket intake manifold comes with vacuum ports and it is finished in black. Make sure this fits by entering your model number. Also, the manifold is great for good quality and has a flange style.

The manifold is used for front height and it is good for the passenger side. Further, the manifold fits gm ls1, ls2, and ls6 cylinder heads with cathedral intake ports. Lastly, the jegs ls3aftermarket intakemanifold includes fuel rail kit, intake seals, hardware, ls3 style map sensor port, and vacuum port fittings.

Almost all customers agree that the manifold is designed for use on cathedral port heads. Moreover, they strongly agree that this intake has medium - length runners and stands considerably taller than the factory ls2 intake manifold. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

• Accepts 92mm or 102mm throttle bodies.
• 2200-6800 rpm range for most street and race applications.
• Fabricated from aluminum and finished in black.
• This comes with a throttle body gasket, is upper, it is black and has an intake style.

Best For Very Nice Quality: Laformo Ls3 Aftermarket Intake Manifold

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate manifold. The Laformo Ls3 Aftermarket Intake Manifold is exactly that - it's a simple manifold that hits all the right notes. The laformo ls3 aftermarketintake manifold is good for fuel pressure, makes for nice quality and it is black. Fit for for ls ls1 ls2 ls3 ls6 lsx aftermarket intake manifold hardware. These high performance fuel rails come with matching fittings, crossover hose and hardware.

Above all, the laformo ls3 aftermarket intake manifold is very nice and it is designed for very nice quality.

One customer says - "works and performs excellently, the machining is nice and the anodizing is good. ". Almost all buyers opine that the manifold definitely don’t fit the body.

• Good investment for the long term.
• New and hot releases.