What is the diameter of these?

The kit consists of the following: 05-01201 - Silicone Coupling 4-1/4 IN ID 05-01412 - Silicone Coupling 4-3/4 IN ID

What is the ID of each coupler?

Coupler p/n 05-01201 is "Coupling, Silicone Hump: 4-1/4""ID x 3""L" Coupler p/n 05-01412 is "Coupling, Silicone Hump: 4-3/4""ID x 3""L"

is one of these boots 4 inch to 4 inch and the other one 4 inch to 3 1/2 inch? there is no specific product dimensions?

here is what i found on Spare Parts Kit. it Contains: 03-50010 - Clamp (3 - 5) 03-50011 - Clamp (3-1/2 - 5-1/2) 05-00631 - MAS Gasket 05-01201 - Silicone Coupling 4-1/4 IN ID x 3" long 05-01412 - Silicone Coupling 4-3/4 IN ID x 3" long

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aFe Power-59-11332 Cold Air Intake System Tube Upgrade Soft Part Package - Black

Product ID: 271483312

Details

Brand
aFe Power
Fit type
Vehicle Fit
OEM part number
59-11332
Product dimensions
20.9L x 20.7W
Product grade
Performance

📏Compact 20.9 cm dimensions

⚙️Precision vehicle-specific fit

🏎️Performance-grade upgrade

¥24655

Duties & taxes included

In stock

Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Upgrade your airflow, upgrade your drive!

TRUSTED BY ENTHUSIASTS - Backed by aFe Power’s reputation and a solid 4.1-star rating, join thousands upgrading their ride’s performance.
COMPACT EFFICIENT DESIGN - With precise 20.9 cm dimensions, this upgrade fits snugly without compromising engine bay space.
DURABLE SOFT PARTS PACKAGE - Crafted from premium materials to withstand heat and wear, guaranteeing long-lasting reliability.
BOOST YOUR RIDES BREATHING - Enhance your cold air intake system for improved throttle response and horsepower gains.
TAILORED FIT FOR PEAK PERFORMANCE - Engineered for a perfect vehicle-specific installation, ensuring seamless integration and maximum airflow.

The aFe Power 59-11332 Cold Air Intake System Tube Upgrade Soft Part Package is a performance-grade, vehicle-specific fit component designed to optimize your engine’s airflow. Compact and durable, it enhances your cold air intake system with precision engineering and premium materials, delivering reliable improvements in throttle response and horsepower.

Specifications

ASIN	B0058JWND0
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#225,022 in Automotive ( See Top 100 in Automotive ) #604 in Automotive Replacement Air Intake Filters #3,526 in Automotive Emission & Exhaust Products
Brand	aFe Power
Brand Name	aFe Power
Customer Reviews	4.1 out of 5 stars 50 Reviews
Fit Type	Vehicle Specific Fit
Fit type	Vehicle Specific Fit
Global Trade Identification Number	00802959590959
Included Components	Auto Parts, Automotive Accessories, Replacement, Performance Parts
Item Dimensions L x W x H	20.9L x 20.7W x 20.9H centimeters
Item Type Name	Cold Air Intake System Tube Upgrade Soft Part Package
Item Weight	1.55 Pounds
Manufacturer	aFe Power
Manufacturer Part Number	59-11332
Model Number	59-11332
Number of Items	1
OEM Equivalent Part Number	59-11332
OEM part number	59-11332
Product Grade	Performance Part
Product dimensions	20.9L x 20.7W x 20.9H centimeters
Product grade	Performance Part
Shape	Hexagonal
UPC	802959590959
Unit Count	1.0 Count

Reviews

M**I

Better than advertised

Exactly as advertised better quality than I expected

2.06.2020

J**N

Worked

Worked just fine

26.06.2025

A**O

Easy transaction

Perfect fit and delivered on time . Very satisfied.

31.08.2019

R**N

Awesome product

When I ordered these intake boots it was kind of a guessing game. But it was exactly what I needed to exchange out them rotten boots! 2007 lbz came with everything needed!

17.07.2022

2**E

Replaced old cracked boots

Good quality, a little expensive for 2 rubber pieces. But cheaper than a new kit

23.07.2019

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