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DYNOMAX 17258 Specifications
Body Height (IN)4 1/4
Body Length (IN)14
Body MaterialStainless Steel
Body Width (IN)9 3/4
Color/FinishBare
Inlet ConfigurationOffset
Inlet Connection TypePipe Connection
Inlet Count1
Inlet Diameter 1 (IN)2 1/2
Inlet Diameter DesignationInside Diameter
Outlet ConfigurationOffset
Outlet Connection TypePipe Connection
Outlet Count1
Outlet Diameter (IN)2 1/2
Outlet Diameter DesignationInside Diameter
Overall Length (IN)19
ReversibleNo
ShapeOval
TypeAbsorption
Dynomax Ultra Flo SS Direct Fit Muffler (Verify Inlet/Outlet Diameter); Dynomax; Shell Diam: 4 1/4 x 9 3/4; Shell Length: 14; OAL: 19; Inlet Diam: 2 1/2; Outlet Diam: 2 1/2; Side - Side

Dynomax® Ultra Flo™ SS Polished performance mufflers are constructed of stainless steel for lifelong durability and completely polished for show-quality shine. The unrestricted, straight-through design is dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower. Each muffler uses our exclusive Continuous Roving Fiberglass (CRF) Technology to absorb unwanted interior resonance while maintaining a deep performance tone.

Features & Benefits:
  • Stainless steel construction for lifelong protection
  • Polished finish for a show-quality shine
  • Dyno proven to flow up to 2,000 SCFM and support up to 1,900 horsepower
  • Straight-through design ensures unrestricted exhaust flow and reduces back pressure
  • CRF Technology absorbs unwanted interior resonance while maintaining a deep performance tone
Hear It Logo

For the best results DynoMax highly recommends using a good set of headphones or better than built-in computer speakers. Muffler sound is all about BASS. Cell phones and built-in computer speakers will not give you the true experience of the Muffler sound.


Super Turbo Ultra Flo Polished
Super Turbo Muffler Ultra Flo SS Muffler
❚❚❚❚❚❚❚❚❚❚
Mild
Sound Level
❚❚❚❚❚❚❚❚❚❚
Moderate
Sound Level
Ultra Flo Welded Race Bullet
 Ultra Flo Welded Muffler Race Bullet Muffler
❚❚❚❚❚❚❚❚❚❚
Aggressive
Sound Level
❚❚❚❚❚❚❚❚❚❚
Very Aggressive
Sound Level

*Sound clips generated from a 2010 Chevy Camaro SS on a cat-back system with 2.5" diameter pipes and 2.5" DynoMax mufflers.
90-Day Risk-Free Trial Offer

Try DynoMax premium exhaust products for 90 days*. If, for any reason, the qualifying products don't live up to your expectations during the trial period, replace the products and DynoMax will refund the original product's purchase price, plus labor (up to $50 per exhaust system).

SAFE & SOUND® GUARANTEE
90-Day, Risk-Free Trial Offer
Limited Lifetime Warranty

Learn More
SAFE & SOUND®
GUARANTEE

* Email warranty@driv.com with the original purchase receipt to claim offer. Offer limited to purchase of one (1) DynoMax VT Muffler, Ultra Flo SS Polished Muffler, Ultra Flo Welded Muffler, Super Turbo Muffler, or Stainless Steel Cat-Back System. This offer does not include units improperly installed or substituted. Valid only on vehicles used for private, non-commercial use and may be withdrawn at any time.


Warranty Information:
Limited Lifetime
Warranty Details