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#91013844
Universal Dual Exhaust Mandrel X-Pipe Balance Tube Kit, 2-1/4 Inch
- Improve the efficiency of your dual exhaust system by balancing the flow of the exhaust gases
- Increase engine performance and throttle response while providing a bit of a raspy exhaust tone
- Kit includes four 45-degree offset bend tubes (14" long, 6" short), 10.5" x 105" X-cross center, and eight clamps
$80.99
/each
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$100.99
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Product Summary
Universal Fit, 2.25" Tube O.D., Mild Steel, Raw
- Improve the efficiency of your dual exhaust system by balancing the flow of the exhaust gases
- Increase engine performance and throttle response while providing a bit of a raspy exhaust tone
- Kit includes four 45-degree offset bend tubes (14" long, 6" short), 10.5" x 105" X-cross center, and eight clamps
- X-center features slip fit expanded ends. 45-degree bend tubes will require welding or expansion to connect to existing exhaust
- Tubing made from mild steel with .065-inch wall thickness
Key Specs
| MFG. Part # | 91013844 |
| Brand | Speedway Motors |
| Exhaust Tubing Diameter | 2-1/4 Inch |
| Material Type | Mild Steel |
| Finish | Raw |
Need To Know
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Return PolicySpeedway Motors 91013844 Details
Speedway Motors 91013844 Details
- Universal X-pipe exhaust kit to add exhaust crossover to dual exhaust vehicles
- Manufactured from .065” wall mild steel tubing
- Kit features pre-formed slip fit center X-pipe to integrate into your exhaust
- Four 45-degree bend tubing included for connection to existing exhaust
- Eight exhaust clamps are included for a complete bolt-in upgrade
Increase Low-End Torque and Throttle Response by Adding an Exhaust Crossover
Dual exhaust applications can see a nice bump in low-end torque and better throttle responsiveness when a crossover pipe, or “X-pipe” is installed. This is because the X-style exhaust crossover pipe provides equalization to the exhaust pressure pulses coming from the manifolds or headers. This exhaust pulse scavenging is what helps with the throttle response and torque improvements. X-pipes are also known to create a slightly raspier exhaust note overall versus the old standard H-pipe crossover. The typical X-pipe exhaust system installation will often net a 5-15 horsepower increase, which is usually seen further up the tach than the standard H-pipe power range.
Crafted from .065-inch wall mild steel, our universal X-pipe crossover kit features pre-welded center X assembly that acts as the merged exhaust crossover pipe section. This X-pipe exhaust system center assembly includes expanded openings to allow the installation of the included 45-degree angled exhaust pipes for a weld-free assembly using the included exhaust clamps. The four 45-degree pipes included are designed to provide plenty of pipe length (14 inches on the long end, 6 inches on the short end) for proper placement of the universal X-pipe crossover section. These four pipes are designed to be cut to length on either or both ends as needed to build a custom X-pipe crossover exhaust assembly and as such are not made with expanded ends for slip fit assembly to your existing exhaust system. Once the four pipes are fitted/cut to length you have the option of either welding the assembly into your existing exhaust, or expanding the pipe ends with an exhaust pipe expander and securing with the included clamps.
Speedway Motors 91013844 Specifications
Speedway Motors 91013844 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91013844 |
| Brand | Speedway Motors |
| Exhaust Tubing Diameter | 2-1/4 Inch |
| Material Type | Mild Steel |
| Finish | Raw |
| GENERAL | |
| Tube O.D. | 2.25" |
Ratings & Reviews
4.7
7 Reviews
Customers appreciate our product for its affordability and versatility in various projects, particularly in creating custom exhaust systems. The product’s practicality is praised for its solid construction and high fitment quality. Users commend the unequal length of the connecting pipe for adding flexibility to layout design. Despite some reports of rust, the overall material quality is favorable. Our product’s opportunities for do-it-yourself applications are especially valued, facilitating professional results at a low cost. The product is consistently recommended over competitors due to its superior features.
Ratings & Reviews
4.7
7 Reviews
Customers appreciate our product for its affordability and versatility in various projects, particularly in creating custom exhaust systems. The product’s practicality is praised for its solid construction and high fitment quality. Users commend the unequal length of the connecting pipe for adding flexibility to layout design. Despite some reports of rust, the overall material quality is favorable. Our product’s opportunities for do-it-yourself applications are especially valued, facilitating professional results at a low cost. The product is consistently recommended over competitors due to its superior features.
4.7
7 reviews
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Great Deal
5.0
3 years ago
Jeff
Michigan
Purchased because I needed mild steel 45* mandrel bends for a DIY turbo hotside. This was cheaper as a kit than the 4 induvial 2-1/4 bends would have been.
Would Recommend
Good product, quick shipping
5.0
5 years ago
Rusty Ol Chevy's Garage
St Louis
Verified
Solid construction, good fitment on the exhaust I built for my 73 Laguna
Decent product for the price
4.0
6 years ago
Devin
Orting, Wa
Verified
The x pipe is decently fabricated. The parts came out rusty, I honestly would have rather had oily pipe than rusty pipe.
Would Recommend
Yes I would buy this product and recommend to those consider
5.0
6 years ago
302 Maverick
North East WI
Verified
The unequal lengths of the connecting pipe gave me the flexibility to have the X pipe land in the center of the car. Very easy mock up with the slip fit into the X pipe. This kit in combination with a couple of mandrel bends provided a professional looking and sounding exhaust system for under $200. definitely recommend.
Would Recommend

Speedy delivery. Good product.
5.0
7 years ago
Tom
Michigan
Verified
I used this for a project truck. It was exactly what I needed.
Would Recommend
Preservation
4.0
8 years ago
Carguy13
Edwardsburg, MI
Verified
Nice product as described & of good quality with the exception that the pipes other than the crossover were very rusty & required some time to correct
Would Recommend
Custom exhaust
5.0
9 years ago
OLD PANTHER
JOHNSTON, IOWA
Verified
Building a custom exhaust and this is just what I needed. As always great service and fast shipping from Speedway!
Would Recommend
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