Borla 40349 ProXS Universal Performance Muffler 3" Single
Borla

Borla 40349 ProXS Universal Performance Muffler 3" Single

Center Inlet/Dual 2.5" Outlets 4" x 9.5" Oval x 19" Long Body 25" Overall Length Reversible Design T-304…

$182.35$184.99Save 1%4.7(311 reviews)
Mubboo Score B
Buy on Amazon $182.35

Price as of 2026-06-20. Check Amazon for the current price.

Quick Decision

Mubboo Score
B
Best For
Buyers who prioritize quality over price in exhaust systems and parts
Skip If
You're on a tight budget
Reviews
311+ · reasonably reliable

Is This Right For You?

✅ Great for
  • Buyers who prioritize quality over price in exhaust systems and parts
  • Those who want a top-rated option — in the top 8% of exhaust systems and parts by rating
⚠️ Think twice if
  • You're on a tight budget — $103 above the category average of $79
💡 Consider instead
  • Flowmaster 42543 Chambered Muffler 40 Series 2.50 Offset In — 51% cheaper at $90 (Score B+)

📊 Based on data analysis of 193 products in this category.

Mubboo Score: B

Quality9.4/10
based on 4.7/5 customer rating
Popularity7.7/10
311 reviews, top 26% in exhaust systems and parts
Value0.4/10
priced below 4% of exhaust systems and parts
How we calculate the Mubboo Score

Quality (45%): customer rating, normalized to a 10-point scale

Popularity (35%): review volume vs the category leader, log-scaled

Value (20%): price position vs other exhaust systems and parts

Computed from live Amazon rating, review count, and price across 193 exhaust systems and parts · last refreshed 2026-06-20.

How It Compares

This Product
Borla 40349 ProXS Universal Performance Muffler 3" Single
Most Popular
MagnaFlow Exhaust Products MagnaFlow Performance Exhaust Muffler 10414: 2"/2"
Best Rated
Vibrant Performance 1141 2.5' Ultra Quiet Resonator
Best Value
Flowmaster 42543 Chambered Muffler 40 Series 2.50 Offset In
Price$182.35$105.99$125.78$89.96
Rating4.7/54.7/54.7/54.7/5
Reviews3111,0811,021531
Mubboo ScoreBB+B+B+

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Choose mufflers matching your engine size and volume preference; Thrush and MagnaFlow offer deep drone-free tones for most engines, while Cherry Bombs are very loud and may degrade to a straight pipe over time. For heat wraps, proper surface preparation and extra adhesive prevent peeling.

Praised for
  • Affordable price and great value
  • Easy installation
  • Deep, aggressive sound without excessive drone
  • Effective heat reflection and protection
Common complaints
  • Sound may be weak or raspy on certain engines
  • Minor manufacturing and quality inconsistencies
  • Adhesive weakness or peeling on heat tape

Related Video Reviews

About Borla

  • 7 products in our database
  • Average rating: 4.7/5 across all products
  • Price range: $112.99$184.07
  • Categories: exhaust-systems-and-parts

Other exhaust systems and parts

Bottom Line

Borla 40349 ProXS Universal Performance Muffler 3" Single earns Mubboo Score B. Priced at $182 — a premium option, above the category average of $79. Rated 4.7/5 from 311+ reviews. Strong buy if: buyers who prioritize quality over price in exhaust systems and parts, those who want a top-rated option. Skip if: you're on a tight budget — MagnaFlow Exhaust Products MagnaFlow Performance Exhaust Muffler 10414: 2"/2" (Score B+, $106) may fit better.

Buy on Amazon $182.35Last verified: 2026-06-20

Frequently Asked Questions

Is the Borla 40349 ProXS Universal Performance Muffler 3" Single worth buying in 2026?

It earns a Mubboo Score of B, with a 4.7/5 rating from 311 reviews — better than 92% of exhaust systems and parts we track.

How much does the Borla 40349 ProXS Universal Performance Muffler 3" Single cost?

It is currently $182.35 — premium-tier pricing for exhaust systems and parts.

How does the 40349 ProXS Universal Performance Muffler 3" Single compare to other exhaust systems and parts?

The category's most-reviewed alternative is the MagnaFlow Exhaust Products MagnaFlow Performance Exhaust Muffler 10414: 2"/2" (4.7/5, 1,081 reviews, $105.99). The 40349 ProXS Universal Performance Muffler 3" Single carries a Mubboo Score of B vs B+.

Sources & References

Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-20) and may change.