Borla 40659 ProXS Universal Muffler 2.5" Center Inlet/
2.5" Center Outlet 425" x 7.88" Oval x 14" Long body 19" Overall Length Universal Part. Reversible Design.
Price as of 2026-06-20. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Buyers who prioritize quality over price in exhaust systems and parts
- •Those who want a top-rated option — in the top 3% of exhaust systems and parts by rating
- •You're on a tight budget — $46 above the category average of $79
- •Thrush 17649 Welded Muffler — 59% cheaper at $51 (Score A-)
📊 Based on data analysis of 193 products in this category.
Mubboo Score: B
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 40659 ProXS Universal Muffler 2.5" Center Inlet/ | Most Popular Design Engineering 10393 Reflect-A-Gold 24" x 24" | Best Rated MagnaFlow Exhaust Products MagnaFlow Performance Exhaust Muffler 10414: 2"/2" | Best Value Thrush 17649 Welded Muffler | |
|---|---|---|---|---|
| Price | $124.99 | $54.54 | $105.99 | $50.99 |
| Rating | 4.8/5 | 4.6/5 | 4.7/5 | 4.7/5 |
| Reviews | 213 | 1,670 | 1,081 | 649 |
| Mubboo Score | B | A | B+ | A- |
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.
- Affordable price and great value
- Easy installation
- Deep, aggressive sound without excessive drone
- Effective heat reflection and protection
- Sound may be weak or raspy on certain engines
- Minor manufacturing and quality inconsistencies
- Adhesive weakness or peeling on heat tape
Related Video Reviews
- 📹 🔊Top 7 Exhausts for 5.0 F150 (‘15–‘20) | Best Deals 2026 — MyOffroadGear
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 40659 ProXS Universal Muffler 2.5" Center Inlet/ earns Mubboo Score B. Priced at $125 — a premium option, above the category average of $79. Rated 4.8/5 from 213+ 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 — Design Engineering 10393 Reflect-A-Gold 24" x 24" (Score A, $55) may fit better.
Frequently Asked Questions
Is the Borla 40659 ProXS Universal Muffler 2.5" Center Inlet/ worth buying in 2026?
It earns a Mubboo Score of B, with a 4.8/5 rating from 213 reviews — better than 97% of exhaust systems and parts we track.
How much does the Borla 40659 ProXS Universal Muffler 2.5" Center Inlet/ cost?
It is currently $124.99 — premium-tier pricing for exhaust systems and parts.
How does the 40659 ProXS Universal Muffler 2.5" Center Inlet/ compare to other exhaust systems and parts?
The category's most-reviewed alternative is the Design Engineering 10393 Reflect-A-Gold 24" x 24" (4.6/5, 1,670 reviews, $54.54). The 40659 ProXS Universal Muffler 2.5" Center Inlet/ carries a Mubboo Score of B vs A.
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.