Supreme SP Cat-Back Exhaust

• 2015–2021 Subaru | WRX STI
• 2015–2021 Subaru | WRX

The GReddy Supreme SP Cat-Back for the 2015-2021 Subaru WRX and WRX STI Sedan (VA chassis) features large dual oval mufflers and quad staggered 89 mm laser-engraved GReddy tips in a 'tucked-away' layout for maximum muffler ground clearance. Large 76 mm (3 in.) piping is routed around the rear differential to a centralized Y-section for more even flow, delivering improved performance with exceptional sound for both the EJ-powered STI and FA-powered WRX. Like all GReddy Supreme SP systems, the fully hand-welded 304 stainless-steel exhaust carries a Limited Lifetime Warranty.

• Fits 2015-2021 Subaru WRX and WRX STI Sedan (VA)
• Dual oval mufflers; quad staggered 89 mm (3.5 in.) laser-engraved GReddy tips in a tucked-away layout
• 76 mm (3 in.) piping splitting to 2x 63.5 mm (2.5 in.) via a centralized Y-section
• 4-piece design; fully hand-welded 304 stainless steel; Limited Lifetime Warranty
• Replacement gaskets included (2x 2.5 in. and 1x 3 in. oval)
• Note: with a stock J-pipe/downpipe, the GrimmSpeed stock-DP-to-aftermarket-3-in. catback adapter p/n 077046 is required
• GReddy part 10168202

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