Description
- Black GP Slip-On with GP19 Style End Cap
- 304 Stainless Steel with Black Ceramic Coating
- Saves 15 lbs over stock
- Header features 3 scavenging equalizer tubes
- Comes with 4, 18mm O2 bungs and adapters to fit stock sensors
- Stage 1 Q1 and Stage 2 Q3 Quiet Inserts Available (sold separate)
SCKM4004 made by M4
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