Flowmaster 4" x 9.75" x 13" Oval 40 Series Chambered Muffler, 3" Center/2.5" Dual 2014-2023 GMC Sierra 1500
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Flowmaster 4" x 9.75" x 13" Oval 40 Series Chambered Muffler, 3" Center/2.5" Dual
*Fits: Universal Fit, 2014-2021 GMC Sierra 1500
The Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound, this is the muffler is for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.
- Aggressive Sound Exterior Exhaust Tone
- Durable Fully Welded 409 Stainless Steel
- Noticeable Interior Resonance
- Excellent Street/Strip and Off Road Application
- Inlet Diameter: 3"
- Outlet Diameter: 2.5"
- Inlet Position: Center
- Outlet Position: Dual
- Case Size/Shape: 4"H x 9.75"W x 13"L Oval
- Overall Length: 19"
- Automotive Item Grade: High Performance
- Color/Finish: Black/Paint
- Sound Level: Aggressive
Note: This muffler is NOT reversible
Note: Uses new hangers (not included) for mounting
General Installation/Technical Notes (opens in new tab): Click HERE
Warranty Information (opens in new tab): Click HERE
Part Number: 80430402
WARNING California Residents - cancer (and/or reproductive harm) - www.P65Warnings.ca.gov