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

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1 Exhaust Adapter Connector 2.5' ID to 3' ID, A-KARCK Exhaust Pipe Reducer 4' Overall Length 304... Exhaust Adapter Connector 2.5" ID to 3" ID, A-KARCK Exhaust Pipe Reducer 4" Overall Length 304... No ratings yet
2 Stainless Steel (304 Grade) 3' to 2.5' Weld Transition - Reducer - Nicely Formed Stainless Steel (304 Grade) 3" to 2.5" Weld Transition - Reducer - Nicely Formed No ratings yet
3 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
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 EVIL ENERGY 2.5' ID to 3.0' OD Exhaust Adapter, Exhaust Pipe Reducer Connector Stainless Steel EVIL ENERGY 2.5" ID to 3.0" OD Exhaust Adapter, Exhaust Pipe Reducer Connector Stainless Steel No ratings yet
6 Exhaust Pipe Flange Adapter, 2.5in to 3in Exhaust Extension Flange Adapter Mild Steel CNC Machining... Exhaust Pipe Flange Adapter, 2.5in to 3in Exhaust Extension Flange Adapter Mild Steel CNC... No ratings yet
7 acylph Universal 2.5' ID to 3' OD Exhaust Pipe Adapter Connector Reducer Mild Steel acylph Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Connector Reducer Mild Steel No ratings yet
8 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
9 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
10 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
11 2.5 inch turbo flange pipe,Turbo Exhaust Adapter,2 Bolts Exhaust Flange 3in Stainless Steel Pipe to... 2.5 inch turbo flange pipe,Turbo Exhaust Adapter,2 Bolts Exhaust Flange 3in Stainless Steel Pipe...
12 X AUTOHAUX 2.5' ID 3' OD Car Universal Exhaust Pipe to Component Adapter Reducer Connector X AUTOHAUX 2.5" ID 3" OD Car Universal Exhaust Pipe to Component Adapter Reducer Connector No ratings yet
13 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
14 Khaos Motorsports Exhaust Reducer Pipe Adaptor 2-1/2' ID to 3' ID Aluminized USA Khaos Motorsports Exhaust Reducer Pipe Adaptor 2-1/2" ID to 3" ID Aluminized USA No ratings yet
15 8SC82 Exhaust Pipe Reducer Component Adapter 2.5 Inch ID to 3 Inch ID 4 Inch Length Polished 304... 8SC82 Exhaust Pipe Reducer Component Adapter 2.5 Inch ID to 3 Inch ID 4 Inch Length Polished 304...
16 Squirrelly 2.5' ID to 3' OD Exhaust Pipe Flare Adapter Reducer Connector Flange Squirrelly 2.5" ID to 3" OD Exhaust Pipe Flare Adapter Reducer Connector Flange No ratings yet
17 Exhaust Pipe Reducer Adapter Connector 304 Stainless Steel (2.5'OD-3.0'OD) Exhaust Pipe Reducer Adapter Connector 304 Stainless Steel (2.5"OD-3.0"OD) No ratings yet
18 PKSABB Universal 2.5” OD to 3.0” OD Aluminium Pipe Reducer Adapter Exhaust Connector Pipe... PKSABB Universal 2.5” OD to 3.0” OD Aluminium Pipe Reducer Adapter Exhaust Connector Pipe...
19 2.5 To 3.5 Exhaust Reducer-Universal 2.5in ID to 3.5in OD Exhaust Pipe Adapter Connector Reducer... 2.5 To 3.5 Exhaust Reducer-Universal 2.5in ID to 3.5in OD Exhaust Pipe Adapter Connector Reducer... No ratings yet
20 Exhaust Pipe Adapter, 2.5 inch ID to 3.5 inch OD Exhaust Pipe Adapter Connector Reducer Stainless... Exhaust Pipe Adapter, 2.5 inch ID to 3.5 inch OD Exhaust Pipe Adapter Connector Reducer Stainless... No ratings yet

Bestseller No. 1
Exhaust Adapter Connector 2.5" ID to 3" ID, A-KARCK Exhaust Pipe Reducer 4" Overall Length 304...
  • Small diameter: 2.5" ID (Fits 2.5" outer diameter pipe)
  • Large diameter: 3" ID (Fits 3" outer diameter component)
  • The overall length is 4 inch and the thickness is 1.3mm.
  • Made of 304 stainless steel, 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 check the detailed size before purchasing)
Bestseller No. 3
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. 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
EVIL ENERGY 2.5" ID to 3.0" OD Exhaust Adapter, Exhaust Pipe Reducer Connector 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. 6
Exhaust Pipe Flange Adapter, 2.5in to 3in Exhaust Extension Flange Adapter Mild Steel CNC Machining...
  • Easy Installation: The size of the two ends are 2.5in and 3ins respectively, and are equipped with two screw holes for easy installation and fixation.
  • Application: Exhaust extension flange can quickly convert 2.5in and 3.0in exhaust fittings to extend the exhaust pipe, compatible with most vehicles.
  • Professional Manufacturing: Precise manufacturing technology, 2.5in to 3in exhaust extension flange has high reliability and stable performance.
  • Flange Size: 3in flange port center width is 4.1in/10.41cm, 2.5in flange port center width is 3.9in/9.91cm and the height is 2in/5.08cm
  • High Strength Adapter: Constructed from mild steel with CNC machined, exhaust pipe flange has exceptional strength and durability.
Bestseller No. 7
acylph Universal 2.5" ID to 3" OD Exhaust Pipe Adapter Connector Reducer Mild Steel
  • 🔧Material: High quality mild steel
  • 🔧Small Diameter: 2.5"ID (Fits over 2 1/2" OD Pipe)
  • 🔧Large Diameter: 3"OD (Fits inside 3"ID Component)
  • 🔧Length May Vary, Approx. 4"
  • 🔧Metal Thickness May Vary: Approx. 1/16"
Bestseller No. 8
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. 9
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
Bestseller No. 10
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.
SaleBestseller No. 11
2.5 inch turbo flange pipe,Turbo Exhaust Adapter,2 Bolts Exhaust Flange 3in Stainless Steel Pipe to...
  • Designed for:Turbo Exhaust Flange Designed for turbocharging, can be used to convert 2.5 inch exhaust port to 3 inch.Built to meet standard...
  • Stainless Steel Material:3 Inch 2 Bolt Stainless Steel Exhaust Flange,Premium stainless steel material, rugged and corrosion?resistant, long service...
  • Excellent Performance:The Turbo Exhaust Fitting,2?bolt design ensures stable characteristics and high reliability, dependable to use.Made in strict...
  • Excellent Replacement:Stainless Steel 2-Bolt Exhaust Flange Excellent replacement for the old or broken turbo exhaust flange.Manufactured according to...
  • Easy to Install:Exhaust Pipe Adapter,The installation is simple and does not require complicated operations.Practical and convenient in use.Such a...
Bestseller No. 12
X AUTOHAUX 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 / 4.9"
  • 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: 1 x Exhaust Component to Pipe Adapter Reducer
Bestseller No. 13
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. 14
Bestseller No. 15
8SC82 Exhaust Pipe Reducer Component Adapter 2.5 Inch ID 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'' ID (Fits inside 2.5'' OD 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. 16
Squirrelly 2.5" ID to 3" OD Exhaust Pipe Flare Adapter Reducer Connector Flange
  • 2.5" inch ID to 3" inch OD
  • 304 Stainless Steel
  • 3.5 inch total length
  • Made here in our shop in the USA!
Bestseller No. 17
Exhaust Pipe Reducer Adapter Connector 304 Stainless Steel (2.5"OD-3.0"OD)
  • The exhaust pipe connector is made of 304 Stainless steel. It is totally rust and corrosion resistant.
  • This exhaust pipe Reducer is used to connect pipe to component when your pipe is smaller than your component.
  • The exhaust pipe adapter is 3.0" to 2.5" OD to OD diameter , The length is 4 inch and 1/16" thickness.
  • A exhaust pipe reducer inside 1 box Professional installation is highly recommended
  • Fitment: Universal fit for all exhaust / turbo / intercooler / intake piping connection. Welding is recommended.
Bestseller No. 18
PKSABB Universal 2.5” OD to 3.0” OD Aluminium Pipe Reducer Adapter Exhaust Connector Pipe...
  • Fitment: Universal fit for all exhaust / intercooler / intake piping connection
  • Category: Pipe to Pipe (Use when one of your pipes is smaller than the other)
  • Material:Aluminum
  • Length:4.33‘’(110mm)
  • 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.
SaleBestseller No. 19
2.5 To 3.5 Exhaust Reducer-Universal 2.5in ID to 3.5in OD Exhaust Pipe Adapter Connector Reducer...
  • ❤️Applicable: Suitable for all cars on the market, used to upgrade or modify the exhaust pipes of cars. It is suitable for welding or fixture...
  • ❤️Reminder: After receiving the product, please check whether the product matches the product you selected. As a reliable seller, you can rest...
  • ❤️Features: no burr structure, great flexibility when used, and will not hurt your hands. With anti-wear and anti-corrosion properties, it can...
  • ❤️High-quality material: It is made of high-quality stainless steel material, with high strength, high hardness, sturdiness and durability, and...
  • ❤️Professional manufacturing: small diameter: about 2.5 inches inside diameter (for pipes with 2 1/2 inches outside diameter) large diameter:...
Bestseller No. 20
Exhaust Pipe Adapter, 2.5 inch ID to 3.5 inch OD Exhaust Pipe Adapter Connector Reducer Stainless...
  • ??Easy to Install??Exhaust Pipe Adapter Connector Reducer suitable for welding or clamp installation, it is very convenient to install.Conform to...
  • ??Easy to Install??Exhaust Pipe Adapter Connector Reducer suitable for welding or clamp installation, it is very convenient to install.Conform to...
  • ??Easy to Install??Exhaust Pipe Adapter Connector Reducer suitable for welding or clamp installation, it is very convenient to install.Conform to...
  • ??Easy to Install??Exhaust Pipe Adapter Connector Reducer suitable for welding or clamp installation, it is very convenient to install.Conform to...
  • ??Easy to Install??Exhaust Pipe Adapter Connector Reducer suitable for welding or clamp installation, it is very convenient to install.Conform to...
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