Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Exhaust› Mufflers and Resonators
Flowmaster
50 Series Big Block Chambered Muffler 50 Big Block 3.00 Dual In 2.50 Dual Out Mild Sound Flowmaster
SKU: F00L 530504
Moderate — 2–4 hours
Overview
Show original supplier description
Part #: 530504
The 50 Series Big Block muffler is made for more than just big cubic inch engine applications. Its large case size with internal tuning chamber provides mileage and power gains along with maximum sound control for a quiet interior tone, even under heavy loads.Well suited to heavy duty vehicles such as full size trucks, SUV's, RVs, and tow vehicles. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.Improved Horsepower, Torque and Engine EfficiencyRecommended for SUV/trucks/motorhomes/tow vehiclesMinimal interior resonanceMild to stock exterior exhaust tone
Features:
- Durable Fully Welded 16ga Aluminized Steel
- Improved Horsepower, Torque and Engine Efficiency
- 3 Year Limited Warranty
- Recommended for SUV/trucks/motorhomes/tow vehicles
- Stock to Mild Exterior Exhaust Tone
- Minimal interior resonance
- Reduced Interior Resonance
- Mild to stock exterior exhaust tone
- Recommended For SUV/Trucks/Motorhomes/Tow Vehicles
- Improved HP/TQ and Potential Mileage Improvement
- Race Proven Patented Delta Flow (R) Technology
- Premium Flowmaster Quality
50 Series (TM) Big Block Muffler | 3.0 in. Dual Inlet/2.5 in. Dual Outlet | Case Dimensions 5 in. x 12 in. x 22 in. | 28 in. Overall Length | Aluminized Steel
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Flowmaster |
| Part Number | F00L 530504 |
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy