SKU: 66781470949

XForce | 3" to 4" Stainless Steel Cone Transition Pipe Flare | Universal Fabrication | TR300-400-S

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Ships within 48 hours · Estimated delivery Jul 19 - Jul 24

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Description

XForce | 3" to 4" Stainless Steel Cone Transition Pipe Flare | Universal Fabrication | TR300-400-SXForce 3" to 4" Stainless Steel Cone Transition Pipe TR300 400 S The XForce TR300 400 S is a high quality transition component designed for custom exhaust fabrication and performance tuning. This cone style flare allows for a smooth transition between 3 inch (76mm) and 4 inch (101mm) piping, minimizing turbulence and maintaining optimal exhaust velocity. Note: This is a universal component designed for fabrication; professional welding and

XForce 3" to 4" Stainless Steel Cone Transition Pipe - TR300-400-S

The XForce TR300-400-S is a high-quality transition component designed for custom exhaust fabrication and performance tuning. This cone-style flare allows for a smooth transition between 3-inch (76mm) and 4-inch (101mm) piping, minimizing turbulence and maintaining optimal exhaust velocity. Note: This is a universal component designed for fabrication; professional welding and installation are required.

What's in the Box?

  • 1x 3" to 4" Stainless Steel Transition Pipe

Features:

This product offers the following features:

  • 304 Stainless Steel: Constructed from premium-grade stainless steel for excellent heat resistance and long-term durability.
  • Smooth Cone Design: Engineered to provide a gradual transition between different pipe diameters, reducing backpressure.
  • Fabrication Ready: Ideal for custom downpipes, mid-sections, or high-flow exhaust builds.

Specifications:

  • Material: 304 Stainless Steel
  • Inlet Diameter: 3.0 Inch (76mm)
  • Outlet Diameter: 4.0 Inch (101mm)
  • Design: Cone / Flare Transition

Important Information

  • The image shown may not reflect the actual product
  • Shipping times may vary depending on destination and stock availability

Vehicle Applications:

Vehicle Applications for XForce TR300-400-S
Make Model From To Body Series Engine Variant Drivetrain
UNIVERSAL
UNIVERSAL Custom Fabrication - - Any Any Any Any Any
Warranty Information
Product Type Warranty Period
304 & 201 Stainless Steel Exhaust Systems 60 Months
Accessories 12 Months
Catalytic Converters 12 Months
Electronic Products (Including SmartBox) 12 Months
Mild Steel & 409 Stainless Steel Exhaust Systems 24 Months
Mild Steel Headers 12 Months
Stainless Steel Headers 24 Months
Universal 304 Stainless Steel Mufflers 24 Months
Universal Mild Steel & 409 Stainless Steel Mufflers 12 Months

Payment & Security:
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 66781470949

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4.1 ★★★★★
Based on 29 reviews
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Product Reviews
G
Verified Purchase
Gummy Roach
Natrona Heights, US
★★★★★ 5
Very easy to use
Size: 12 Pairs / 24 pcs
I have an Onkyo audio/video receiver along with an Emotiva amplifier. Both have speaker "post" terminals which will accept banana plugs, OR I can connect the speaker wires by unscrewing the posts, poke the speaker wires into the terminals and then tighten the posts. The problem with poking the wires into the terminals and tightening the posts vs using banana plugs is that there is a risk of the wires touching the metal on the back of the chassis or touching other speaker wires, causing a short if one is not careful. With banana plugs, they simply plug into the back/top of the posts, eliminating the rsick of a short circuit. They can also be unplugged very easily if needed. Banana plugs are DEFINITELY the preferred way to connect speakers to an receiver or amplifier if they have post-style terminals. These particular banana plugs came in a package of 12 I believe. They were very reasonably priced, and simple to connect to the end of the speaker wires. Simply unscrew the banana plugs, use a small, standard jewelry screwdriver and loosen both of the set screws, insert the speaker wire, then tighten the set screws, and then screw the banana plug back together. The plugs have either a red band which would typically be used for your "Right" speakers, or a black band which would typically be used for the "left" speakers. The banana plugs insert into the top or front of the speaker terminal posts on the amp and receiver. They fit VERY snug, and so I did have to apply just a little bit of pressure in order to insert them into the posts, but once plugged in, rest assured they're not going anywhere. They are snug. I highly recommend these.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 2, 2025
F
Verified Purchase
Frank from Baltimore
Dallas, US
★★★★★ 5
Well made, a solid connection.
Size: 6 Pairs / 12 pcs
I liked them. They really lock down on the speaker wire to make a firm connection. They seem well made and are easy to install. My system sounds great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
M
Verified Purchase
Micky
San Leandro, US
★★★★★ 5
Works as intended
Size: 12 Pairs / 24 pcs
These banana plugs are quite easy to use, and securely connected my speaker cables to the receiver. They have a quality feel as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 27, 2025
E
Verified Purchase
Eric Doka
Grantham, US
★★★★★ 5
Solid product
Size: 12 Pairs / 24 pcs
High quality. Good connectivity.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
M
Verified Purchase
Matt B.
Bozeman, US
★★★★★ 1
Tips broke in the binding post
Size: 12 Pairs / 24 pcs, Size: 12 Pairs / 24 pcs
UPDATE: Two tips broke off when unplugging them from the binding post and are now lodged in. Inexcusable and an utterly poor product. Solid connection in the binding post with no wobble or wiggle. They require some force to insert into the binding post, but once they're in they remain snug. I also tried removing and reinserting a few times and the connection remained solid. I've used other plugs in the past that have a softer tip and easily deform after one or two insertions. These do not have that issue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026

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