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GReddy Supreme SP Cat-Back Exhaust (2011-2014 Impreza WRX & WRX STi)

$1,230.25  $1,168.74
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The Supreme SP for the Subaru STI Sedan features much larger diameter piping, resonators and mufflers, but also smoothes the layout for maximum performance with good sound suppression. This cat-back exhaust starts out with a full 3" mid-pipe with a large straight-through resonator to tune out drone. The next section smoothly transitions into dual 2.5" diameter piping. Improved dual GReddy straight-through mufflers with dual, double wall tips on each muffler finish off the exhaust. GReddy designers carefully position the dual mufflers and staged tips to flow with the GV-chassis' bodylines. Like all GReddy Supreme SP systems the fully hand-welded 304 Stainless-Steel exhaust carries a Limited Lifetime Warranty.

Vehicle(s): WRX & STI Sedan
Chassis: GV8
Engine: EJ257
Type: cat-back, dual muffler system
Number of pieces: 4
Piping: 76 mm (3") - 2x 63.5mm (2.5")
Tip(s): 4x 89 mm (3.5")
Gasket(s): 2x 2.5" & 1x 3" oval (qty: 3 included) replacement(s)
Resonator: Yes
Weight: TBA lbs
Sound level: L89 & R91 dB(a) @4000
Notes: reuse factory doughnut-gasket and hardward for mid-pipe Dyno Chart
HP: +14 hp
TRQ: +22 ft-lbs

*Data collected on stock vehicle
*Retains catalytic convertor, front pipe
*TBA = To Be Announced


Add to Cart:

  • Model: 10168201
  • FROM: GReddy

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we added this on Wednesday 12 April, 2017.

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