

⚡ Upgrade your airflow game with precision and style!
The Spectre Performance 9771 Black 4" Intake Coupler is a robust EPDM/TPE rubber connector designed to join any 4-inch outside diameter air intake tubes. Featuring two stainless steel worm gear hose clamps and a removable 3.75-inch reducer, it offers a secure, customizable fit ideal for naturally aspirated engines. Lightweight and easy to install, this coupler delivers reliable performance with a sleek black finish.











| ASIN | B001OMK53K |
| Best Sellers Rank | #63,868 in Automotive ( See Top 100 in Automotive ) #31 in Automotive Replacement Air Intake Filters #887 in Automotive Emission & Exhaust Products |
| Brand | Spectre |
| Brand Name | Spectre |
| Color | Black |
| Connector Type | Reducer |
| Customer Reviews | 4.7 out of 5 stars 994 Reviews |
| Exterior Finish | Black |
| Global Trade Identification Number | 00089601977102 |
| Included Components | Spectre Performance 9771 Black 4" Intake Coupler |
| Item Dimensions | 4 x 4 x 4 inches |
| Item Type Name | Spectre Performance 9771 Black 4" Intake Coupler |
| Item Weight | 0.2 Kilograms |
| Item dimensions L x W x H | 4 x 4 x 4 inches |
| Manufacturer | Spectre |
| Manufacturer Warranty Description | 3 Months |
| Material | EPDM/TPE rubber |
| Material Type | EPDM/TPE rubber |
| Model Number | SPE-9771 |
| Number of Pieces | 1 |
| Size | Klein |
| Thread Size | 4 inch |
| Thread Type | NPT |
| UPC | 089601977102 |
| Unit Count | 1.0 Count |
R**R
Works perfectly
Pretty good quality.
R**.
Works
Good fit easy installation
J**E
Coupler that couples well.
Good fitment. Nice thick rubber for a very solid seal on a cold air intake. Super easy to install.
S**E
Worked great
Nice product
W**E
Necessary for plumbing the 4" intake lines
I always keep a couple spares of this adapter, in case I need to change the intake line setup.
A**R
It performed the job I meant it to
I used it to couple a new style K&N air filter to a cold air intake. It fit and worked as I hoped it would. The only thing I would change is to use a stronger and or denser rubber compound
R**A
Great replacement
We needed to replace this part for our F-150. All the auto stores around us have very small air intake hose, and we have a custom air intake filter. This fit perfectly.
R**Z
It works
It's a hose clamp for a car. It does what hose clamps do. I don't know what else you can say about it. it's 2 screws and a piece of rubber.
Trustpilot
1 month ago
2 weeks ago