★★★★★ 5
Its ok but falls out
Works good but not connected to the unit so it falls out
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Reviewed in the United States on April 16, 2026
GSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8)
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
GSC P-D Subaru FA20F WRX 2015+ 23-8N Chrome Polished Exhaust Valve 30mm Head +1mm - (8)SKU: 2283 8 GSC P D Subaru FA20F WRX 2015+ 23 8N Chrome Polished Exhaust Valve 30mm Head +1mm (8) GSC Power Division exhaust valves upgrade the FA20F engine in 2015 2021 Subaru WRX models with precision engineered components for high boost applications. This set of 8 delivers improved exhaust flow and heat management to support aggressive camshafts and turbo setups. Direct replacement design ensures reliable performance in street and track
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4.4 ★★★★★
Based on 1720 reviews
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Product Reviews
★★★★★ 5
Excelente
Excelente
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Reviewed in the United States on May 31, 2026
★★★★★ 4
Functions. No trigger,need relay for car install
Functions,but will not turn off. No remote wire,just positive & negative. Need relay to install correctly to use on-board fuse. Or connect to remote only to view voltage use. No instructions.
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Reviewed in the United States on September 29, 2025
★★★★★ 5
Good quality
Good quality
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Reviewed in the United States on December 14, 2025
★★★★★ 5
Se ve excelente
Se ve de buena calidad, aún no lo instaló pero si se aprecia muy bueno.
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Reviewed in the United States on April 11, 2026
