FAST LSXHR Cathedral Port Intake Manifold LS1 LS2 LS6

FAST LSXHR Cathedral Port Intake Manifold LS1 LS2 LS6

Marsoni

M251S

$534.48

Get it in 3 business days with 1 day shipping. Friday, May 29

FAST LSXHR Cathedral Port Intake Manifold LS1 LS2 LS6The FAST LSXHR 103mm Intake Manifold is ideal for generating maximum power in boosted and naturally aspirated GM LS cathedral port engines. It ships with a set of tall removeable velocity stacks, however medium and short stack options can be purchased separately. This allows interchanging of the various runner lengths so racers can experiment with finding which combination makes the most power in their application. Its polymer construction is

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
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This works really well! I used it several times and really saw a difference. Unfortunately I had a root canal done and the following day I decided to whiten and I thought I was going to die! I didn’t know my front tooth was going to be that sensitive from the tooth canal. That was my fault and only telling this story as a warning! Do not use this after dental work unless your dentist says ok! Otherwise it works amazingly!

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Reviewed in the United States on May 2, 2026

Verified Purchase

Zero

Houston, US

★★★★★ 4

Easy to use

Size: 4 Count (Pack of 1)

Continued use is needed for best results

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on May 14, 2026