Email: Sales@IPGparts.com | Phone: 407-324-4684
Email: Sales@IPGparts.com | Phone: 407-324-4684
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08-10 Subaru STI ATP Bolt-On GT3076R
08-10 Subaru STI ATP Bolt-On GT3076R
Garrett Turbochargers

08-10 Subaru STI ATP Bolt-On GT3076R

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08-10 Subaru STI ATP Bolt-On GT3076R Overview ATP's range of bolt-on Garret turbos are designed to provide the performance of a dual ball-bearing turbocharger with the convenience of a stock-location turbo. The ATP STI turbos easily install in place of the stock journal bearing turbo, due to the high-flowing GT-inspired ATP STI exhaust housing and a series of custom engineered components built to suit the installation. Every ATP STI GT drop-in turbo consists of a Garrett factory assembled and high speed balanced dual ball bearing CHRA which is then assembled into a set of CNC machine ported housings that have been optimized in every aspect for maximum flow and efficiency and designed to attach to the STI uppipe. The turbo includes all the necessary oil & coolant supply hardware to seamlessly attach the turbo to your STI. ATP's focus with these turbos isn't peak power numbers; they're designed to make more torque under the curve and give you more accessible power. ATP recommends that you use a bellmouth downpipe with their bolt-on Garret STI turbos for optimal performance. Stock-type flat plate STI downpipes (HKS, DC Sports, etc.) and divorced wastegate downpipes (Perrin, Invidia Divorced) do not allow enough clearance for ATP's custom wide-swinging wastegate door. This can result in boost "creep," "spiking," and inaccurate boost control. The Turbo XS & Invidia Bellmouth downpipes would be good choices for use with this turbo. In addition, ATP recommends a higher flowing 3" turbo inlet, like the Perrin, Agency Power or APS. If you must use a stock-sized inlet, you will need to source a 2.4" to 3" reduction coupler, as the ATP turbos have a 3" inlet.We recommend using a matching-sized 3" inlet for minimal restriction, since GT turbos thrive with minimal inlet obstruction. ATP's tests have shown that these turbos, when used with the stock sized 2.4" inlet, produce significantly less power than when used with the 3" inlet. When coupled with a 3" downpipe, the 3" inlet promotes faster spool, and higher power numbers with less pressure at the manifold GT3076R ATP describes the GT3076R as "the right tool to do 500+ HP job." This turbo can support 500+ horsepower on the 2.5L. While the 3076R has a little more lag than the smaller units (it makes boost about 400RPMs later than the GT3071R), but it makes more top-end power. We do not recommend this turbo for 2.0L cars, unless they are full-race, built-block applications with head work. ATP's STI GT3076R is the modern "GT30R" and not the incorrectly named -10, -11, -12, -13, -14 series from the old days misused and abused as "GT30's". If you're looking for a 500hp turbo for your STI that is streetable, and has a decent powerband, look no further. The GT3076R has a 60mm turbine wheel with an 84 trim and 76.2mm, 56 trim compressor wheel. FITMENT: Subaru STI 2008-2010

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