BIG MOUTH TPI INTAKE MANIFOLD BASE

AVAILABILITY: SOLD OUT ETA 3/26

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High-Flow TPI Big Mouth Base Intake Manifold Idle-5700rpm TPI Baseplate Street Legal Street/High Performance Use



The Big Mouth intake manifold will give you a 23 horsepower increase on a stock 350 tuned port motor and there is plenty room for major porting for those larger combinations. On the flow bench this manifold flows enough air to make over one horsepower per cubic inch 375 HP 350's and 440HP 400's are possible, This intake manifold has been thoroughly tested and has met all goals and even exceeded some of them. This manifold is considered an original equipment replacement over the stock GM base and is perfect for an upgrade to an existing TPI system or as a foundation for a retrofit, you can use all runners stock or aftermarket

Baseplate retains factory fuel injection parts and emission equipment. Compatible with stock or aftermarket runners. Can be ported to improve flow capacity. Requires no changes to the computer. Baseplate is stock height. For Use On all 1985-1992 Center bolt Engines

Big Mouth High-Flo Intake Manifold Base Features:

• High-Flow Base Works w/OE Or Aftermarket Runners

• Compatible w/Stock Fittings and Emissions Features

• Patented Runner Design Ensures Broad Torque Curve

• Excellent Throttle Response and Mid-Range Power

• No Changes to the Stock Computer Required

• Can Be Ported to Improve Flow Capacity

• Match w/Aftermarket Head /High Performance Cam

• Has Been Machined to Clear Center bolt Heads 72 and 90 degrees

• 20-25 Horsepower Gain over Stock TPI