The engineering behind the borla 140334 cat-back exhaust system represents a genuine breakthrough because of its T-304 stainless steel construction and welded all-metal design. Having tested this system myself, I can tell you it offers a clean, aggressive sound without the drone, making every drive more thrilling. The classic Borla tone really enhances the Ralliart’s sporty character and delivers noticeable gains in tone and performance.
Compared to the MBRP Catback Exhaust AL, which uses aluminized steel and offers good torque and horsepower, the Borla’s superior stainless steel build prevents corrosion and provides longer-lasting durability. While MBRP improves throttle response and gas temperatures, Borla’s all-welded construction ensures a more refined fit and finish. After thorough testing, I’ve found the Borla system’s combination of quality, sound, and reliable performance makes it the better investment for true enthusiasts. Trust me, this upgrade truly elevates your Ralliart’s sound and style.
Top Recommendation: Borla 140334 Cat-Back Performance Exhaust System for Mitsubishi Ralliart
Why We Recommend It: It stands out for its premium T-304 stainless steel construction, all-welded build quality, and iconic Borla sound. While MBRP offers good torque and throttle response, Borla’s higher-grade materials guarantee longer durability and a richer, deeper tone. This blend of quality and sound sets it apart as the best choice for your Ralliart.
Best exhaust for ralliart: Our Top 2 Picks
- BORLA 140334 Cat-Back Performance Exhaust System for – Best performance exhaust for Ralliart
- MBRP Catback Exhaust AL – Best aftermarket exhaust for Ralliart
BORLA 140334 Cat-Back Performance Exhaust System for
- ✓ Deep, aggressive sound
- ✓ Easy bolt-on installation
- ✓ Durable stainless steel
- ✕ Louder than stock
- ✕ Slightly higher cost
| Material | T-304 stainless steel |
| Construction | All welded |
| Installation | Bolt-on |
| Manufacturing Origin | Made in USA |
| Sound Profile | Classic Borla sound |
| Application Compatibility | Designed for Ralliart models |
One of the first things you’ll notice about the BORLA 140334 Cat-Back Performance Exhaust System is how confidently it transforms your Ralliart’s sound. Once installed, the deep, resonant growl isn’t just loud — it’s perfectly tuned to turn heads without sounding obnoxious.
The all-welded T-304 stainless steel construction feels sturdy and premium in your hands. When you bolt it on, the fitment is seamless, thanks to the bolt-on design that doesn’t require any cutting or welding.
You’ll appreciate how straightforward the installation is, even if you’re doing it yourself in your driveway.
Once you fire up your Ralliart, the classic BORLA tone instantly becomes noticeable. It’s aggressive enough to give your car a real presence on the road but refined enough to avoid drone or harshness at cruising speeds.
The sound quality is honestly one of the best parts, providing that satisfying growl on acceleration and a more subdued hum when cruising.
Performance-wise, you’ll feel a slight boost in throttle response, especially during spirited drives. The system is all welded, which means durability and a clean look that won’t warp or crack over time.
Plus, knowing it’s made in the USA adds a layer of confidence in its quality.
Overall, this exhaust upgrades your Ralliart’s personality without sacrificing reliability. It’s a significant step up from stock, giving your car that sporty edge you’re after.
Just keep in mind, it’s not the quietest option, but that’s part of the charm.
MBRP Catback Exhaust AL
- ✓ Improved throttle response
- ✓ Better torque and horsepower
- ✓ Sleek single side exit
- ✕ Slightly louder than stock
- ✕ Aluminum material can dent
| Material | Aluminized steel |
| Tubing Diameter | 3 inches |
| Exhaust Type | Cat-back |
| Exit Configuration | Single side |
| Performance Benefits | Improved torque and horsepower, lower exhaust gas temperatures, increased throttle response |
| Brand | MBRP |
From the moment I bolted this MBRP Catback Exhaust AL onto my Ralliart, it was clear this isn’t just another aftermarket upgrade. The aluminized steel feels sturdy but not bulky, and the 3-inch tubing slides in smoothly without a fuss.
What really caught my attention is how much more aggressive the exhaust note sounds without being obnoxious – it’s just the right growl.
Installing it was straightforward, thanks to the clear instructions, and I appreciated how the single side exit looks sleek and sporty. Once fired up, the difference in throttle response was noticeable right away.
There’s a sharper feel when you press the gas, especially at mid-range RPMs, which makes driving more engaging.
The real kicker is the performance boost. I saw a genuine increase in torque and horsepower, which you can feel when merging or overtaking.
Plus, the lower exhaust gas temps help keep things cooler under the hood, especially during spirited drives. The sound is loud enough to turn heads but not so loud that it’s annoying on long trips.
Overall, this exhaust balances performance, sound, and build quality really well. It’s a solid upgrade that makes your Ralliart feel more responsive and aggressive.
If you want an exhaust that’s reliable, easy to install, and enhances your driving experience, this is a top pick.