The Speed Engineering Street Series muffler has a 3" inlet, dual 2.5" outlets, and a 14" body, with a center inlet and offset outlets. It uses a straight-through oval design and is built from brushed stainless steel. It is universal, so it can be installed in any 3" exhaust system. Speed Engineering offers four muffler series (Bullet, Street, Chambered, and Race) to cover a range of sound levels from mild to aggressive.
Sold individually.
Features:
- 3" Inlet / Dual 2.5" Outlets
- Center Inlet / Offset Outlets
- 14" Body Length: 9" wide x 4" tall
- 20" Tip to Tip: Overall length including inlet and outlet
- Straight-Through Oval Design
- Brushed Stainless Steel
- Universal Fitment
- Sold Individually
FAQ
What size is this muffler?
The body is 14" long, 9" wide, and 4" tall, with a 20" overall tip-to-tip length, a 3" inlet, and dual 2.5" outlets.
What is the inlet and outlet layout?
This muffler has a center inlet and offset outlets.
What type of internal design does it use?
It uses a straight-through oval design.
Is this sold as a pair?
No. This muffler is sold individually. A dual exhaust system needs two.
What other muffler styles does Speed Engineering offer?
Speed Engineering offers Bullet, Street, Chambered, and Race Series mufflers in several inlet, outlet, and length options.
Is this part street legal?
No. Speed Engineering sells this muffler as a race-only product intended for competition use only. Installation on a street-driven vehicle may violate the Clean Air Act (42 U.S.C. 7522(a)(3)).
⚠️ Race Use Only: This product is manufactured and sold for installation on vehicles used solely for competition. Once installed, the vehicle may not be used, registered, or licensed for use on a public road or highway. Installation on a street-driven vehicle may violate the Clean Air Act 203(a)(3), 42 U.S.C. 7522(a)(3).

