Vibrant SS Race Muffler 4in inlet/outlet x 9in long (1797)

Regular price $124.99 USD Sale price $124.99 USD Regular price $156.99 USD
Sale 20.38% $32.00 USD (20.38%)
In Stock!
SKU: vib1797
Product Description

Vibrant Performance stainless steel race mufflers are made of 304 stainless steel for maximum durability and corrosion resistance, TIG welded for maximum durability, and packed full of our finest multi-layered sound-absorbing materials. Compact and incredibly light, Vibrant Performance race mufflers are made to meet the regulations governing muffler requirements at racetracks around North America. They come in inlet I.D. and overall lengths of 5" and 9". diameters between 3 and 5 inches.


  • Universal


  1. Premium Sound Absorption: Densely packed with high-quality multi-layered sound absorption materials for superior sound management.
  2. TIG Welded Construction: TIG welding ensures optimum durability and strength for long-lasting performance.
  3. 304 Stainless Steel Build: Manufactured from 304 stainless steel for exceptional durability and corrosion resistance, ideal for racing environments.
  4. Lightweight and Compact: Designed to be very lightweight and compact, optimizing performance without adding unnecessary weight.
  5. Compliance with Race Track Rules: Engineered to meet muffler requirement rules at race tracks across North America, ensuring compliance and compatibility.
  6. Variable Lengths and Diameters: Available in 5” & 9” overall lengths and inlet I.D. diameters ranging from 3” to 5”, providing options to suit various vehicle setups and preferences.


  • Muffler OD: 4.500"
  • Material: Stainless Steel
  • Inlet Outlet ID: 4.000"
  • Overall Length: 9.000"

To provide faster delivery and turn around time; Kami Speed ships products out from different warehouses throughout the United States. Usually averaging 1-4 business days for processing prior to shipping.

Depending on the package, we ship using different carriers according to the item's location, content, and size.

Freight truck items, will require up to 7 business days to ship due to size. i.e. hoods, trunks, body kits, etc.

All orders made after 3:00pm ET will be shipped or processed the next business day.

Orders over $500 will ship insured and over $1,000 with signature and insurance in order to guarantee delivery. Orders over $1000 may not be able to ship to a different address not listed as the billing address or confirm payment address from the form of payment used. Orders with suite numbers, different billing, or apartment numbers will require signature if valued over $100.

All international orders outside of the USA are subject to duties and taxes fees per your countries jurisdiction and determined by customs.
Kami Speed serves the right to ship using an alternative method if we see it fit, in order to expedite shipping and reduce your rate depending on product value.

In stock, non special order items can be returned within 30 days of the product arriving to your house or place of work.
Returns will NOT be accepted on Clearance Items, Final Sales, Special Orders, Opened, Installed, Incomplete, or Otherwise Used Products. In order to initiate a return, an RMA number must be requested and approved via e-mail. All returns will be subject to a 20% restocking fee minus complete shipping cost (roundtrip).

Any processed orders that have not shipped will incur a 6% cancelation refund fee unless the product was not available to ship within a timely manner. No fee will be incurred if used as store credit.

For complete details on our return policy, please see our Help and FAQ link under HELPFUL INFO.

WARNING: Operating, servicing and maintaining a passenger vehicle or off-highway motor vehicle can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle. For more information go to

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