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RPI Diesel

Duramax LB7 Boost Increase Valve

Duramax LB7 Boost Increase Valve

RPI Diesel

Duramax LB7 Boost Increase Valve

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$14.99

Color

Black

Quantity

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Quantity

1

01-04.5 Duramax LB7
Increases stock Boost from 18-20 PSI to 28-30 PSI.
Significant Horsepower gains.
Improved Mpg.
lower egt's.
Easy to install in 5 minutes or less.

Reviews

5.0

1 rating

5

4

3

2

1

Definitely can tell the difference when you hit the gas! Gives it a little more power! Easy to install!

J

Justin · February 25, 2026

Delivery & Returns

R

RPI Diesel

4.8 (99)

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