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Subaru Cat-Back Exhaust 02-07 WRX/STI
Single Tip, Cat-Back ExhaustBuy your Exhaust parts in packages to save money! |
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Straight Through MufflerPERRIN Performance mufflers have a true 3" internal diameter for uninterrupted exhaust flow. PERRIN mufflers and flange connections are 3" throughout the entire length, not necked down, for ultra smooth transitions throughout the system. |
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4" Slash Cut TipAn over-sized 4" slash cut exhaust tip adds an aggressive look to this impressive system. PERRIN exhaust tips are a high polished, single wall construction and will not dis-color with extreme heat. |
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V-BandsPERRIN performance exhaust systems features high tech v-band clamps for a perfect exhaust connection. V-band clamps are designed to hold hundreds of pounds of pressure and do so without the need for a gasket! This connection allows for a precise repeatable joint with the ability to rotate each joining connection. This allows for easy installation, and alignment adjustments for a perfect fit every time. |
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FinishThe PERRIN exhaust systems comes in a brushed finish, we also offer a stealth black powder coat option. This will give you a stealth look and hide your aftermarket exhaust system. |
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304SS TubingPERRIN Performance exhaust systems are made entirely of 304 stainless steel, inside and out. 304SS provides high corrosion resistance, and is excellent for extreme heat up to 1800 degrees. Other manufactures and OEMs, will use cheaper 409 stainless steel which will rust and corrode over time but the added expense of 304 stainless steel is well worth the beautiful and long lasting high polish, and durability. |
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Sound ClipIt is very important to us for our exhaust makes power, but sound level & tone should also be a concern. Our system is designed to have a very mellow and pleasing note while not producing loud "farty" sounds that wakes up neighbors.» Listen to the clip |
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Installed PhotosClick on the photo to the left to view a slideshow of this part and other like parts installed. |
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Lifetime WarrantyPERRIN Performance warrants to the original purchaser, all PERRIN cat-back exhaust systems to be free from defects in material and workmanship.*Some exclusions apply» Read Full Warranty |
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Off Road NoteNOTE: This item may be for off-road use only in your area. See Terms and Conditions prior to ordering!» Learn More |
Specifications |
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| Weight | 30 lbs. |
Compatibility |
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| 1993-2007 Impreza | No |
| 2002-2007 WRX | Yes |
| 2004-2007 STI | Yes |
Sound Clip
Dyno Charts
Proven Horse Power
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07 STI Catback Dyno TestThis test was done on an 07 STI that was running stock ECU tuning. We swapped out the exhaust in roughly 5minutes and re-dynoed the car to find 15WHP and 15ft-lbs of TQ had. So not only does this add some really cool sounds but also a bit of HP, all while increasing your fuel economy. |
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2.5L WRX Catback TestThis was done on our 08 WRX running a Stage 1 AccessPORT tune, this represents exactly what we see for WHP changes on all the WRX models. The gains we see of about 5-8WHP is very typical on both the 2.5L and 2.0L WRX's after installing our 3" Catback exhaust. |
In The Box |
| (1) PERRIN single-tip muffler |
| (1) PERRIN mid-pipe |
| Necessary hardware included |
| (2) PERRIN License Plate Frames |
| Instructions |
| Stickers |
| Warranty |