MBRP Pro Series 3" Cat-Back Exhaust - Street Version - 2015+ Subaru WRX/STI

SKU: S4800304

$924.99 $1,142.64

2015+ WRX/STI Pro Series 3" Cat-Back Exhaust (Street Version) by MBRP

Introducing the Cat-Back exhaust system for the Subaru WRX 2.0L and the Subaru WRX STI 2.5L by MBRP®.

The S4800 Street Pro Series is the perfect balance of Street and Race with sound that makes your hairs stand up. The MBRP® innovative spiral louvered core in the dual muffler design express the totally committed core of the WRX with rich, deep and precision tuned sound. No need to block your ears – it’s like listening to a symphony.

The exhaust design and engineering for the S4800 Cat-Back performance exhaust boasts unrelenting T304 Stainless Steel quality and T304 stainless steel tips. This quality matches the improvement in performance which makes the beating heart of the WRX and the WRX STI beat a little faster, and will surely keep you firmly pinned to your seat.

The S4800 Cat-Back exhaust is a strong statement of style and personality that will stand out from all the other WRX or WRX STI’ in your city. We build each of our exhaust systems with the highest standards of manufacturing, and with designs that are inherently tough and resilient. The laser etched MBRP® logo on top center of each tip is racing inspired and designed to make a statement. The axle-back solution will immediately take the car sound to a whole new level and will be quick to get noticed in the kiss & ride.

The unique 3” mandrel bent tubing design and muffler and distinct design routing makes this a great upgrade to the Subaru enthusiast and #1 upgrade on the list for any new WRX or WRX STI accessory improvements. With a Lifetime Warranty this makes the S4800 MBRP® Performance Exhaust a great investment.


  • MBRP Pro Series: The best performance exhaust system that money can buy. Constructed from T304 stainless steel it delivers you optimal durability that keeps on looking its best.
  • Built to Perform: MBRP's performance exhaust systems are built to perform. Designed to maximize exhaust flow and minimize exhaust temperatures your car will use less gas, last longer and perform better.
  • Dyno Proven: MBRP exhaust systems undergo countless hours on a Mustang 1100 AWD-SE Chassis Dynamometer, hundreds of miles on road & track, and numerous tweaks and modifications to get the most out of your vehicle.
  • Easy Installation: Bolt-on, no weld design makes installation a no hassle one and is a two hour project at most. Everything is direct fit to the OEM hangers and you get all the clamps and parts you will need.
  • Sound & Style: To some, appearance and sound are just as important as performance. Every MBRP performance exhaust has been specifically tuned to get the optimal sound from your car. With stamped logos on the tips and unmistakable styling, there's no question that you have the hottest performance exhaust on the road.


  • 2015+ Subaru WRX
  • 2015+ Subaru STI


  • High Quality Construction
  • Increased Performance
  • Rich and Deep Exhaust Tone

What's In The Box?

  • 1 - Pro Series Cat Back (Street)
  • All Necessary Hardware



  • MBRP warrants to the original user that their Pro Series exhaust systems will be free from defects in material and workmanship for the lifetime of the vehicle.

You may also like

Recently viewed