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04-05 Duramax LLY High Flow Turbo Mouthpiece

RPI Diesel

4.5 (123)

04-05 Duramax LLY High Flow Turbo Mouthpiece

Name: RPI Diesel 04-05 Duramax LLY High Flow Turbo Mouthpiece - 04-05 Duramax LLY High Flow Turbo Mouthpiece
Brand: RPI Diesel
SKU: 7135381389367
Price: 99.95 USD
Availability: InStock
Rating: 5 (1 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$99.95

Quantity

Color

Black

Quantity

Description

Features: Increasing air flow 80% Smooth unrestricted flow designed Improves throttle response Lower EGTS keeping your engine running at cooler temperatures Increases performance 25hp and 57lbs x ft. Torque Powder coated black body CNC mach...

Reviews

5.0

1 rating

Highly recommend this. Never worked on a duramax before. Watched a video on the couch and went and installed it with ease. Installed this at the same time of pcv/ccv reroute and exhaust and all that together, i think the turbo horn made the biggest difference for my bone stock LLY

Hunter · April 15, 2026