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Borla 2.50in Dual In/Out 19in x 9.5in x 4in PRO-XS Muffler-Borla-BOR400286
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Borla 2.50in Dual In/Out 19in x 9.5in x 4in PRO-XS Muffler

Borla
BOR400286
808422002868
Muffler
16 Units In Stock - Ships Next Business Day
$ 309.99 $ 276.99
FREE Ground Shipping!
$ 276.99

SKU: 400286   |   UPC: 808422002868

Borla ProXS Muffler 2.5in Dual Inlet/ 2.5in Dual Outlet 4in x 9.5in Oval x 19in Long Body 400286

Borla 400286 ProXS muffler delivers aggressive exhaust tone and performance gains for custom setups on cars, trucks, and SUVs. This universal 2.5-inch dual inlet/dual outlet design with internal X-pipe enhances flow, power, torque, and fuel efficiency while reducing weight. Reversible construction fits left- or right-side installs in tight spaces.

Key Features

  • Internal X-Pipe: Balances exhaust pulses for smoother flow, sharper sound, and measurable horsepower/torque increases across RPM range.
  • T-304 Stainless Steel: Corrosion-resistant material ensures lifelong durability in harsh conditions without rust or degradation.
  • Reversible Design: Mounts in any orientation for easy adaptation to various chassis layouts and exhaust routing.
  • Free-Flow Mandrel-Bent Design: Reduces backpressure for quicker throttle response, better scavenging, and improved engine breathing.
  • CFF Acoustic Core: High-temperature fiber packing controls drone while amplifying deep Borla rumble for track or street driving.

Product Notes

  • Universal fit for 2.5-inch piping; pair with Borla clamps and hangers for complete system.
  • Mill finish allows custom polishing or painting before install.
  • Single muffler unit; overall length 24 inches including necks.

Installation Notes

  • Professional installation recommended.
  • Slide-fit pipe connections; use Borla stainless clamps (sold separately) for secure seal.
  • Compatible with standard exhaust hangers; reversible for center or offset positioning.

This Part Fits

Year Make Model Submodel
Universal All All Custom Exhaust - 2.5" Piping

Why Choose Borla?

  • Leaders in stainless steel exhaust since 1978, starting with Ferrari and Rolls-Royce systems.
  • All-welded construction and Million-Mile warranty guarantee reliability.
  • Proven on street, off-road, and racing circuits worldwide.

Frequently Asked Questions

  • Q: Will this muffler fit my vehicle's exhaust?
    A: Designed as universal for 2.5-inch dual pipe systems; measure your inlet/outlet and space (19-inch body length fits most).
  • Q: What material is used and does it rust?
    A: T-304 stainless steel provides rust-proof performance with 100% welded seams for maximum strength.
  • Q: What warranty covers this muffler?
    A: Backed by Borla's Million-Mile warranty against defects when installed and maintained properly.

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock - ships same or next business day
  • Packaging: Protective cardboard box, approx. 25in x 12in x 6in
  • Weight: 12 lbs

Request For Information

Have questions about Borla 2.50in Dual In/Out 19in x 9.5in x 4in PRO-XS Muffler? Fill out the form below and we'll get back to you by the next business day.
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Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

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