The Original 40 series muffler delivers an aggressive exterior and interior tone. If youre 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.
- Durable fully welded 16 gauge aluminized steel
- Aggressive and powerful exterior exhaust tone
- Noticeable interior resonance
- Excellent Street/Strip and Off Road application
- Made in the USA
- Premium Flowmaster quality
Application:
- 1975-1976 BUICK SKYLARK BASE V8 4.3
- 1975-1976 BUICK SKYLARK SR V8 4.3
- 1975-1977 BUICK SKYLARK BASE V8 5.7
- 1975-1977 BUICK SKYLARK SR V8 5.7
- 1976-1976 BUICK SKYLARK S V8 4.3
- 1976-1977 BUICK SKYLARK S V8 5.7
- 1977-1977 BUICK SKYLARK BASE V8 4.9
- 1977-1977 BUICK SKYLARK BASE V8 5.0
- 1977-1977 BUICK SKYLARK S V8 4.9
- 1977-1977 BUICK SKYLARK S V8 5.0
- 1977-1977 BUICK SKYLARK SR V8 4.9
- 1977-1977 BUICK SKYLARK SR V8 5.0
