

⚡ Upgrade your airflow game with Spectre’s precision coupler—because every millisecond counts!
The Spectre Performance 9541 Black Intake Coupler adapts 3.5" intake systems to 3" inlets, perfect for custom cold air intake builds. It includes two heavy-duty clamps and is crafted from premium materials for durability and a precise fit. Backed by a lifetime warranty, this coupler is a trusted choice for performance enthusiasts seeking reliable airflow enhancement.











| ASIN | B003JIDTQW |
| Best Sellers Rank | #470,027 in Automotive ( See Top 100 in Automotive ) #17 in Automotive Performance Emission Systems |
| Brand | Spectre |
| Customer Reviews | 4.5 4.5 out of 5 stars (376) |
| Date First Available | September 9, 2011 |
| Exterior | Machined |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.01 ounces |
| Item model number | 9541 |
| Manufacturer | Spectre |
| Manufacturer Part Number | 9541 |
| Model | 9541 |
| OEM Part Number | 9541 |
R**R
Perfect for a custom job
I purchased a K&N FIPK for my AP2 Honda S2000, but decided that I did not want to use the provided K&N filter and stick with the OEM Honda filter. They did not have the 3.5 to 3" coupler/reducer at PepBoys so I ordered it from Amazon. It arrived in a very nice box and included two quality clamps. I cut about an inch from the Honda OEM filter's neck and used the coupler to attach it to the K&N intake tube. It is a quality product and it seems to hold up pretty well so far. I had to adjust the clamps once, after the engine bay was hot and have not had to tighten them since. If I need any more intake couplers/reducers I will not hesitate to purchase from Spectre.
J**S
2012 Jeep JK
Used this on my 12 Jeep jk, I removed the factory air box tube... Works Great
B**L
Perfect fit and Quality
Perfect fit and Quality. I connected my 3 inch intaking piping to my 3.5 pipe towards the throttle body and the fitment was perfect and looks great. Ended up buying the straight 3 inch coupler same brand.
A**J
Solid coupler
Used in intake piping for car. Has held up great so far and works good as intended. Seems to be holding up will. I’d recommend for the price.
D**E
Great fitting. Would recommend.
Was used to replace a turn boot on the air box of a 1998 Toyota Tacoma SR5. Worked great. Does exactly what I need it too and it was way cheaper than what Toyota wanted for OEM boot. Overall very happy. Would recommend.
A**R
Coupling
My pvc pipes outside detention 3 1/2" x 3 ". Coupling fit perfect.
A**É
Yup
As advertised. Shipping good.
C**Y
junk
absolute junk. clamps are junk. swells up and blows off at very low boost pressures
J**N
Fits well on my 08 GMC Acadia good job guys
T**Y
it does what i needed it to do
J**B
Great seller to deal with awesome product
R**L
Worked perfectly
W**R
Just what I needed. Worked perfectly..
Trustpilot
1 week ago
5 days ago