Exhaust› Mufflers and Resonators
Flowmaster
50 Series Big Block Chambered Muffler 50 Big Block 3.00 Dual In 3.50 Offset Out Mild Sound Flowmaster
SKU: F00L 530513
Moderate — 2–4 hours
Description
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 530513 |
Videos
2003 Silverado SS Flowmaster 50 Series Big Block exhaust before and after
Flowmaster 50 series Big Block on 2011 silverado
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Flowmaster comparison 40 vs 50 series
3" Flowmaster 40's vs Delta Flow 50's - Big Block Chevelle
Flowmaster 50 Series, 70 Series and Extreme Off Road Commercial
Buy with Confidence
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.
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