20 Best 2.5 To 3 Exhaust Adapter in 2023 Reviews and Buying Guide

3,119 Reviews Scanned

# Preview Product Rating
1 BLACKHORSE-RACING 2.5 inch ID - 3 inch ID Universal Exhaust Pipe Adapter Connector Reducer Stainless... BLACKHORSE-RACING 2.5 inch ID - 3 inch ID Universal Exhaust Pipe Adapter Connector Reducer... No ratings yet
2 Peastorm 2.5 to 3 Inch Exhaust Adapter, ID 3 to 2.5 Exhaust Reducer Connector Pipe with Clamp Peastorm 2.5 to 3 Inch Exhaust Adapter, ID 3 to 2.5 Exhaust Reducer Connector Pipe with Clamp No ratings yet
3 8SC82 Exhaust Pipe Reducer Component Adapter 2.5 Inch OD to 3 Inch ID 4 Inch Length Polished 304... 8SC82 Exhaust Pipe Reducer Component Adapter 2.5 Inch OD to 3 Inch ID 4 Inch Length Polished 304... No ratings yet
4 Transition Reducer, 2.5in to 3in Stainless Steel Tubing Transition Adapter Reducer Pipe Connector Transition Reducer, 2.5in to 3in Stainless Steel Tubing Transition Adapter Reducer Pipe Connector
5 Apeixoto Universal 2.5' ID to 3' OD Exhaust Pipe Adapter Component Reducer 4' Length Stainless Steel Apeixoto Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Component Reducer 4" Length Stainless Steel No ratings yet
6 BATONECO Exhaust Pipe to Component Pipe Adapter Reducer Kits 2.5 Inch ID 3 Inch OD Universal... BATONECO Exhaust Pipe to Component Pipe Adapter Reducer Kits 2.5 Inch ID 3 Inch OD Universal... No ratings yet
7 A-KARCK Exhaust Adapter Connector 2.5' ID to 3' OD, Exhaust Pipe Reducer 304 Stainless Steel, 4'... A-KARCK Exhaust Adapter Connector 2.5" ID to 3" OD, Exhaust Pipe Reducer 304 Stainless Steel, 4"... No ratings yet
8 Universal ID 2.5 Inch to OD 3 Inch Exhaust Adapter, Stainless Steel Exhaust Coupler(2 1/2' ID to 3'... Universal ID 2.5 Inch to OD 3 Inch Exhaust Adapter, Stainless Steel Exhaust Coupler(2 1/2" ID to...
9 Apeixoto Universal 2.5' ID to 3'' ID Exhaust Pipe to Component Adapter Reducer 304 Stainless Steel... Apeixoto Universal 2.5" ID to 3'' ID Exhaust Pipe to Component Adapter Reducer 304 Stainless... No ratings yet
10 Universal 2.5' ID to 3' OD Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to... Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to... No ratings yet
11 Universal 2.5' ID to 3' OD Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to... Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to... No ratings yet
12 EVIL ENERGY 2.5' ID to 3.0' OD Exhaust Reducer Adapter Stainless Steel EVIL ENERGY 2.5" ID to 3.0" OD Exhaust Reducer Adapter Stainless Steel No ratings yet
13 AFLOW Universal 409 Stainless Steel Exhaust Y Pipe, 3' Single to 2.5' Dual Exhaust Adapter Connector... AFLOW Universal 409 Stainless Steel Exhaust Y Pipe, 3" Single to 2.5" Dual Exhaust Adapter...
14 Exhaust Pipe Adapter,2.5in ID to 3.5in OD Exhaust Pipe Adapter Stainless Steel Tube Car Accessories... Exhaust Pipe Adapter,2.5in ID to 3.5in OD Exhaust Pipe Adapter Stainless Steel Tube Car... No ratings yet
15 Mishimoto MMEXH-ADAP-3DSE Exhaust Adapter 3' Downpipe to Stock Exhaust Compatible With Subaru Silver Mishimoto MMEXH-ADAP-3DSE Exhaust Adapter 3" Downpipe to Stock Exhaust Compatible With Subaru Silver
16 X AUTOHAUX 2pcs 2.5' ID 3' OD Car Universal Exhaust Pipe to Component Adapter Reducer Connector X AUTOHAUX 2pcs 2.5" ID 3" OD Car Universal Exhaust Pipe to Component Adapter Reducer Connector No ratings yet
17 LucaSng T409 Stainless Steel Y Pipe 3' Single to 2 1/2' 2.5' Dual Exhaust Adapter Connector,Overall... LucaSng T409 Stainless Steel Y Pipe 3" Single to 2 1/2" 2.5" Dual Exhaust Adapter... No ratings yet
18 QISF 304 Stainless Steel Exhaust Adapter Connector 3'ID to 2.5'ID, 4' Overall Length Exhaust Pipe... QISF 304 Stainless Steel Exhaust Adapter Connector 3"ID to 2.5"ID, 4" Overall Length Exhaust Pipe... No ratings yet
19 Universal 3' ID to 2.5' OD Exhaust Pipe Adapter Connector Reducer Stainless Steel Universal 3" ID to 2.5" OD Exhaust Pipe Adapter Connector Reducer Stainless Steel No ratings yet
20 AUTOSAVER88 304 Stainless Steel 2.5' ID to 3' ID Exhaust Pipe Reducer Adapter 4' Overall Length... AUTOSAVER88 304 Stainless Steel 2.5" ID to 3" ID Exhaust Pipe Reducer Adapter 4" Overall Length...

Bestseller No. 1
BLACKHORSE-RACING 2.5 inch ID - 3 inch ID Universal Exhaust Pipe Adapter Connector Reducer Stainless...
  • √ Material: High quality stainless steel
  • √ Small Diameter: 2.5” ID (Fits over 2 1/2” OD Pipe)
  • √ Large Diameter: 3“ ID (Fits over 3” OD Pipe)
  • √ Length May Vary: Approx. 6”
  • √ Metal Thickness May Vary: Approx. 1/16”
Bestseller No. 2
Peastorm 2.5 to 3 Inch Exhaust Adapter, ID 3 to 2.5 Exhaust Reducer Connector Pipe with Clamp
  • Material: Manufactured from 409L mild steel for durability.
  • Dimensions: Small diameter - 2.5" ID, large diameter - 3" ID, overall length - 6.3".
  • Application: Suitable for connecting pipes with an outer diameter of 3 inch and 2.5 inch. Please note that other sizes are not applicable.
  • Advantages: With clamps at both ends, no welding is required, and installation is fast.
  • Equipped with high-strength screws, please feel free to contact us if you have any questions during use.
Bestseller No. 3
8SC82 Exhaust Pipe Reducer Component Adapter 2.5 Inch OD to 3 Inch ID 4 Inch Length Polished 304...
  • 【Material】Exhaust pipe connector is constructed with high-quality 304 stainless steel and has a polished finish. Totally rust and corrosion...
  • 【Diameter】Small Diameter: 2.5'' OD (Fits inside 2.5'' ID Component); Large Diameter: 3'' ID (Fits over 3'' OD Pipe). (Installation should depend...
  • 【Size】Length May Vary: Approx. 4''Inch; Metal Thickness May Vary: Approx. 1/16''Inch. Please be caution to the size to make sure this is fit for...
  • 【Application】This exhaust pipe connector is used to connect pipe to component, When one pipe of a different size than another pipe use.
  • 【Fitment】Universal fit for all exhaust / turbo / intercooler / intake piping connection. The adapter eliminates the gap and achieves a nice...
Bestseller No. 4
Transition Reducer, 2.5in to 3in Stainless Steel Tubing Transition Adapter Reducer Pipe Connector
  • Fitment: The transition from 2.5 inch outer diameter to 3 inch outer diameter 304 stainless steel pipe is designed for butt welds at both ends.
  • Excellent Quality: Made of high-quality stainless steel material with excellent durability. Professional manufacturing, high precision and good...
  • Easy Installation: Simple installation, no need for complicated tools, just solder directly, firm and easy to use.
  • Great Aftermarket Replacement: The original standard can be directly replaced with old or damaged Manufacture in accordance with standard...
  • Quality Assurance: 24 months worry-free warranty. We are a professional seller. Please feel free to contact us if you meetany trouble in using our...
Bestseller No. 5
Apeixoto Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Component Reducer 4" Length Stainless Steel
  • Application: This exhaust pipe connector is used to connect pipe to component when your pipe is smaller than your component.
  • Specification: The exhaust pipe adapter has a 2.5"ID (Fits over 2 1/2" OD Pipe) and 3"OD (Fits inside 3"ID Component). The length is 4", 1/16"...
  • Material: The exhaust pipe connector is constructed with 304 Stainless steel. It is totally rust and corrosion resistant.
  • Package: There is a exhaust pipe reducer inside the box. Please be caution to the size to make sure this is fit for your vehicle.
  • Warranty: 100% satisfaction. If you need any assists during usage, we are here to help.
Bestseller No. 6
BATONECO Exhaust Pipe to Component Pipe Adapter Reducer Kits 2.5 Inch ID 3 Inch OD Universal...
  • 【Small Diameter】2.5" ID (Fits over 2 1/2" OD Pipe)
  • 【Large Diameter】3“ OD (Fits inside 3" ID Component)
  • 【Size】Length May Vary, Approx. 4", Metal Thickness May Vary: Approx. 1/16". If opposing OD/ID’s are used, fitment is not guaranteed.
  • 【Durable Material】Made of high-quality 201 stainless steel, exhaust adapter has a strong resistance for rust,corrosion, and ensures reliable...
  • 【Exquisite Craftsmanship】Excellent craftsmanship ensures precise dimensions and better assembly.
Bestseller No. 7
A-KARCK Exhaust Adapter Connector 2.5" ID to 3" OD, Exhaust Pipe Reducer 304 Stainless Steel, 4"...
  • Small Diameter: 2.5" Inner Diameter (Fits 2.5" outer diameter pipe)
  • Large Diameter: 3" Outer Diameter (Fits 3" inner diameter pipe)
  • Suitable for any exhaust pipe, exhaust tip, resonator, muffler, connecting components of different sizes on both sides.
  • Made of 304 stainless steel with a thickness of 1.33 mm, welds to two concentric pipes of different diameters can form a tight seal against leaks.
  • The adapter eliminates the gap and achieves a nice transition from 2.5" to 3". (Please refer to the dimension drawing to check the component size...
SaleBestseller No. 8
Universal ID 2.5 Inch to OD 3 Inch Exhaust Adapter, Stainless Steel Exhaust Coupler(2 1/2" ID to 3"...
  • Size: ID 2.5 inch to OD 3 inch exhaust adapter. Pipe length 3.6 inch, pipe thickness 0.054", please allow tolerance 0.12"
  • The exhaust reducer is made of T201 S/S Nonmagnetic Stainless Steel. The surface is polished, shine and nice. This Exhaust coupler is anti-corrosion...
  • 3.6 inch Length flare pipe is one piece construction without welding, manufactured with precision bends and OE-style routings,heavy duty 16-Gauge...
  • Please check the size before purchase. If you have any question, please feel free to contact us.
Bestseller No. 9
Apeixoto Universal 2.5" ID to 3'' ID Exhaust Pipe to Component Adapter Reducer 304 Stainless Steel...
  • Application: There are 2pcs exhaust pipes in the package.This exhaust pipe connector is used to connect pipe to component when your pipe is smaller...
  • Specification: The exhaust pipe adapter has a 2.5" ID (Fits over 2 1/2" OD Pipe) and 3" ID (Fits over 3" OD Pipe). The length is 6", 1/16" thickness.
  • Material: The exhaust pipe connector is constructed with 304 Stainless steel. It is totally rust and corrosion resistant.
  • Package: There is a exhaust pipe reducer inside the box. Please be caution to the size to make sure this is fit for your vehicle.
  • Warranty: 100% satisfaction. If you need any assists during usage, we are here to help.
Bestseller No. 10
Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to...
  • 【High Quality】This 2.5 Inch to 3 Inch (2.5" ID 3" OD) exhaust pipe adapter made of 304 stainless steel and has a polished finish.
  • 【Applications】Universal fit for all exhaust/turbo/intercooler/intake piping connection. (Installation should depend on the inside diameter and...
  • 【Small Diameter】2.5"ID (Fits over 2 1/2" OD Pipe).
  • 【Large Diameter】3"OD (Fits inside 3"ID Component).
  • 【Size】Length May Vary, Approx. 4", Metal Thickness May Vary: Approx. 1/16". If opposing OD/ID’s are used, fitment is not guaranteed.
Bestseller No. 11
Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Connector Reducer 304 Stainless Steel 2.5 Inch to...
  • 【High Quality】This 2.5 Inch to 3 Inch (2.5" ID 3" OD) exhaust pipe adapter made of 304 stainless steel and has a polished finish.
  • 【Applications】Universal fit for all exhaust/turbo/intercooler/intake piping connection. (Installation should depend on the inside diameter and...
  • 【Small Diameter】2.5"ID (Fits over 2 1/2" OD Pipe).
  • 【Large Diameter】3"OD (Fits inside 3"ID Component).
  • 【Size】Length May Vary, Approx. 4", Metal Thickness May Vary: Approx. 1/16". If opposing OD/ID’s are used, fitment is not guaranteed.
Bestseller No. 12
EVIL ENERGY 2.5" ID to 3.0" OD Exhaust Reducer Adapter Stainless Steel
  • [Size] 2.5" ID to 3" OD exhaust reducer joints 2.5" OD pipe to 3.0" ID pipe; Lenght : 3.95 inch. Please measure before purchasing.
  • [Material] Made of 304 stainless steel.
  • [Application] Universal fit for all exhaust, turbo, intercooler, intake piping connection.
  • [Installation] Professional welding installation is highly recommended.
  • [Warranty] EVIL ENERGY provides 3-month warranty for exhaust adapter . Any problem you have, please contact us via Amazon massage.
Bestseller No. 13
AFLOW Universal 409 Stainless Steel Exhaust Y Pipe, 3" Single to 2.5" Dual Exhaust Adapter Connector...
  • 【DESIGN】Single inside diameter:3", dual inside diameter: 2.5". Overall Length: 10 inch. Overall Width: 6 3/5" (6.6").
  • 【MATERIALS】High quality polished clamp-on y-pipes stainless has very strong anti-corrosive and durable. Exhaust tips 3 inlet create power gain in...
  • 【FIT PROPERLY】 All dimensions and key mounting surfaces and contact points of y pipes 3 inch are measured to ensure proper fit.
  • 【WIDE APPLICATION 】2 /2.25 /2.5 /3 inch spreader muffler kit. Universal fits 3" INLET trucks car exhaust tips tail pipe muffler. Designed to...
  • 【GOOD SERVICE】 There is 1 year warranty for each purchase. Manufactured under the guidelines of related quality standards to ensure consistent...
Bestseller No. 14
Exhaust Pipe Adapter,2.5in ID to 3.5in OD Exhaust Pipe Adapter Stainless Steel Tube Car Accessories...
  • With no burr structure, great flexibility, when you use Exhaust Pipe Connector, will not hurt your hands.
  • With wear‑resisting and anti‑corrosion resistance performance, Exhaust Pipe Coupler able to cope with harsh environments.
  • Tail Pipe Adapter is suitable for all cars on the market and is used to upgrade or modify the exhaust pipe of the car.
  • Exhaust Pipe Adapter is suitable for welding or clamp installation, it is very convenient to install.
  • The high‑quality exhaust head adapter is made of high‑quality stainless steel and is durable.
Bestseller No. 15
Mishimoto MMEXH-ADAP-3DSE Exhaust Adapter 3" Downpipe to Stock Exhaust Compatible With Subaru Silver
  • Overall Size: 5.24” x 3.94” x 1.54”
  • Smooth exhaust-flow transition between 3" downpipe and stock-sized exhaust
  • Eliminates infamous exhaust leaks caused by mating different exhaust flanges
  • 304 stainless steel adapter will not rust in harsh climates
Bestseller No. 16
X AUTOHAUX 2pcs 2.5" ID 3" OD Car Universal Exhaust Pipe to Component Adapter Reducer Connector
  • Size: Inlet Diameter: 63mm / 2.5"; Outlet Diameter: 76mm / 3"; Length: 125mm / 4.92"
  • Material: Stainless Steel
  • Fitment: Universal fit.Installation Instruction is NOT Included
  • This exhaust pipe adapter connector is used to use in connecting exhaust pipe or tube.
  • Package Include: 2 x Exhaust Component to Pipe Adapter Reducer
Bestseller No. 17
LucaSng T409 Stainless Steel Y Pipe 3" Single to 2 1/2" 2.5" Dual Exhaust Adapter Connector,Overall...
  • Single Inside Diameter: 3 1/32" (3.03125"), Single Outside Diameter: 3 3/16" (3.1875"), Dual Inside Diameter: 2 17/32" (2.53125"), Dual Outside...
  • Center to Center of Dual Pipes: 4" ;Overall Length: Approx. 10", Overall Width: 7 3/8" (7.375"), Thickness: 2 3/4" (2.75")
  • Between Dual Pipes: 1 5/16" (1.3125"), Outside to Outside of Dual Pipes: 6 11/16" (6.6875")
  • T409 Stainless Steel Materials,Manufactured under the guidelines of related quality standards to ensure consistent quality
  • Fit Properly - All dimensions and key mounting surfaces and contact points are gauged and measured to ensure proper fit
SaleBestseller No. 18
QISF 304 Stainless Steel Exhaust Adapter Connector 3"ID to 2.5"ID, 4" Overall Length Exhaust Pipe...
  • 【Applications】--Universal fit all exhaust/turbo/intercooler/intake piping connection. (Installation should depend on the inside diameter and...
  • 【Material & Size】--304 stainless steel with a thickness of 1.2 mm(+-0.1);10.2cm/4inch length
  • 【Small Diameter】--2.5 inch ID
  • 【Large Diameter】--3 inch OD
  • 【Package】-- 1Pcs Exhaust Adapter Connector 3"ID to 2.5"ID
Bestseller No. 19
Universal 3" ID to 2.5" OD Exhaust Pipe Adapter Connector Reducer Stainless Steel
  • Side A: 3" ID (Inside diameter)
  • Side B: 2.5" OD (Outside diameter)
  • Material: High quality stainless steel
  • Surface: Mirror polished finish
  • Application: Universal fit for all exhaust/turbo/intercooler/intake piping connection
Bestseller No. 20
AUTOSAVER88 304 Stainless Steel 2.5" ID to 3" ID Exhaust Pipe Reducer Adapter 4" Overall Length...
  • Small Diameter: 2.5" ID/63mm (Fits 2 1/2" OD Pipe); Large Diameter: 3" ID/76mm (Fits 3" OD Pipe); Length: approx 4"/102mm(Please measure the detailed...
  • Material: Made of 304 stainless steel, durable, polished silver
  • Application: Connect two pipes of different diameters (Use when one of your pipes is 2 1/2" Outside Diameter and other is 3" Outside Diameter)
  • Fitment: Universal fit for exhaust / turbo / intercooler / intake piping connection
  • Installation: Welding-on (NOTE: Professional installation would be highly recommended)
.