Almost all exhaust suggestions are super loud. Borla Pro-XS middle muffler + vibrant rear muffler is a good/classic combo.
Pros: good classic combo
Cons: super loud
Vehicle:
BMW
Reviews of Borla muffler
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Borla SSteel. Last muffler, header you will buy. Had mine on two cherokees so far in the last 25 years! Even clamps are stainless!
Pros: stainless steel, long lasting
Not a fast car but you can make it souind decent with much much less than 800 USD. Borla Proxs 40364 model around $110 Custom 2.5" catback piping at alocal muffler prices was like 100-120 usd on my city, aluiminized piping.
Pros: sound decent, much less money
Part number: 40364
Borla muffler (No drone. Very nice rumble). The damn thing drives smooth and there is not a rattle or shake to be found.
Pros: nice rumble, smooth drive
Cons: no drone
Vehicle:
Volvo S40
The borla muffler, pipes resonator magnaflow cat are mocked up: The Swoops intake arrived this week and I installed some coolant hoses:
Pros: coolant hoses installed
Vehicle:
Volkswagen Corrado
The exhaust note is intoxicating and I'd love to swap the mufflers with a couple of Borlas
Pros: intoxicating exhaust note
Engine Cat back exhaust with borla muffler
Pros: hi flow
Vehicle:
Volkswagen Golf
I have a header, no cat, full 3in, a 16in glasspack, and a 16in borla xr-1. As you can see from this video, its still loud.
Cons: still loud
Vehicle:
Volkswagen
My car-----> 1999.5 12v Jetta VR. Fat Fives, Borla Muffler w/ res delete.
Vehicle:
Volkswagen Jetta
Okay so the proof is in the numbers. Video's and Pics Provided... 2004 New Beetle Convertible 1.8T 6 Speed Manual Transmission Swap (Trans is from a 2004 GLI) (stock 02m clutch) ATP Hi- Flow Exhaust Mani ATP Eliminator 2 Kit w GT3071-WG ATP 3 Inch Inlet for Eliminator Kit HKS Manual Boost Controller TurboXS Blow Off / Diverter Valve ABD Front Mounted Intercooler ABD Intake Manifold Eurodyne 630cc Mafless/Emissions Delete/Cat Delete Tune Seimens 630 CC Injectors 2.5" Techtonics Tuning Turboback w/Hi-Flow Cat & Borla Muffler Dynos without Water And Meth: First Pull yeilded 310WHP See here: Video Here: http://www.youtube.com/watch?v=sMYhB3jWiVw 2 Pulls later heat soaked the Eliminator kit did 294 WHP. EVERYTHING BELOW IS USING WATER & METH So we had run the car 4 times it was time to just add water and methonal to the mix to see what would happen! This brought us up to 313WHP just after the car was at 294 without adding water and meth.. See the video here: http://www.youtube.com/watch?v=aBOClLqmPPM Okay now lets bump this mutha's timing up and see where it gets us... 345 WHP! YEP.. 345WHP http://****************.com/smile/emthup.gif http://www.youtube.com/watch?v=_9OUlRkaI6Q So there ya have it!!!! I did say that this car was around 340-350 and I was correct! The Water and Meth allowed us to really push this thing and we gained some serious HP on this kit from the heat soaked run of 294WHP to 345 WHP!!! THATS 51 WHP AS A RESULT OF THE WAI!!!!!!!
Pros: serious HP gain
Cons: heat soaked
Vehicle:
Volkswagen New Beetle
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What we know about Borla muffler
The brand is registered in USA. Official website: https://www.borla.com.
In March 2026, PartReview has a mixed opinion of Borla muffler. PR Score — 94 out of 100, based on 11 reviews and 34 votes. 10 positive reviews, 1 neutral review, 0 negative reviews. Average rating — 4.5 (out of 5). Votes: 32 up, 2 down.
Users also evaluated the qualities of Borla muffler:
- Noise - exhaust becomes loud or boomy, affecting comfort and legality - rated positively. 4.1 points out of 5.
- Drone - low-frequency resonance at certain speeds, tiring on trips - rated positively. 5 points out of 5.
- Rust/damage - visible holes or severe rust on the canister reduce silencing - rated positively. 5 points out of 5.
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Muffler Borla in comparisons
There are 1 comparison of Borla muffler with other manufacturers on PartReview.
In particular, see which muffler are better: MAGNAFLOW or Borla .