Greddy
Greddy Supreme SP Exhaust
2015 WRX / 2015 STI
Details
The legacy of the GReddy SP lives on with GReddy’s best version yet, the Supreme SP and to prove it carries a limited lifetime warranty! From the 1st flange to the new double-wall GReddy Tip, each Supreme SP system features a high-quality, hand Tig-weld 304 stainless-steel outer construction. Within the muffler, new straight-through and directed- straight-though chambered muffler designs allow GReddy to engineer a more refine exhaust note while increasing exhaust flow and performance. Classic GReddy street performance styling is maintained with excellent fitment and a stylish exhaust system layout. The Supreme SP not only designed to perform and sound great for each specific application; it matches the vehicle’s body-lines and styling.
The Supreme SP for the (VA) Subaru Sedan features large dual oval mufflers and quad staggered tips in a "tucked-away" layout, for maxium muffler ground clearance. Large 76mm (3”) piping is carefully routed around the rear differential to a centralized Y-section for more even flow. This creates and improved performance with exceptional sound for both the EJ powered STI and FA powered WRX applications. The system is finished off with classic quad Supreme SP 89mm laser engraved GReddy tips. Like all GReddy Supreme SP systems the fully hand-welded 304 Stainless-Steel exhaust carries a Limited Lifetime Warranty.Specifications
Chassis: VA2 / VA1
Engine: EJ257 / FA20T
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: No
Weight: TBA lbs (Stock weight TBA lbs)
Sound level: TBA dB(a)
HP: +TBA hp
TRQ: +TBA ft-lbs
WRX Video
STI Video
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5 customer reviews
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Just what I was looking for
By Mario September 17, 2017This cat back bolts up just like any other. The only thing that was unclear was the part where you need to bolt up the mid pipe to the stock j-pipe. I originally thought that you needed to keep the donut gasket on but apparently there's a pretty sizable gap if you do that, and I actually snapped one of OEM spring bolts apart trying to close it. We ended up taking the donut gasket out and using the supplied shim gasket plus some gasket sealer goo to get a good strong seal. No leaks! Everything else was as smooth as butter to slap up. Recommend wiping everything down with alcohol before starting up your car to prevent oil burns and all that mess. Its a big step up from stock, really throaty after 3k RPMs, and deep all around. Just an incredible sounding system, with super quality welds and craftsmanship. I decided to go with this over the muffler deletes due to the fact that when paired with even a catted aftermarket J-pipe, the Greddy SP will contain any potential tinny rasp.... Whereas the deletes just dont care. Anyways, i think its louder than the R400 but a pinch under the Invidia N1. No regrets here.
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GReddy on 2017 STI
By Zachary April 10, 2017This is what I was looking for. The sound is deep but not obnoxious. Calm at idle and throughty when you get on it plus there is a soft gurgle on release. The sound matches the car more than stock exhaust does.
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Greddy sp exhaust for 2016 sti
By Mervs526 November 6, 2015I got my greddy exhaust this week...and Installed it last wed. I like it very much because of its rumble and deep sound.. From this U can hear the real boxer engine of your sti.. Much more louder than compared to my bro(he got the hks one with silencer) ... Very nice and good performance
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GReddy Supreme SP
By Rob August 26, 2015This exhaust is definitely for someone who wants a quality exhaust that's louder than stock, quiet on highways, but is loud when you get on it. Did not come with a resonator, but in my opinion it doesn't need it. The only issue I had while installing was my drivers side muffler to Y pipe flange hits the spare tire well. Took a rubber mallet and hit the well up a little and it solved the problem. Overall, gorgeous exhaust, great sound, and easy installation with all hardware required included with the kit.
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Greddy Supreme Sp
By JAYAR July 23, 2015....i love this exhaust, easy to install, came with all the hardware needed and gaskets. First off the exhaust i receive came without a resonator but it states it comes with one, I'm actually happier without it, it has a deep rich tone Greddy is known for, its quiet at cruising speeds but its loud when you get on it. I recommend this exhaust for anyone that wants a quad tip but louder then the q300.
