PERRIN Rotated Turbo kits include everything for your properly tuned WRX/STI. PERRIN kits are designed to bolt to factory exhaust manifolds, and to factory catback exhaust.
Simply add a PERRIN front mount intercooler, PERRIN injectors and fuel rails, ECU tuning, Exedy Clutch, PERRIN cat-back Exhaust and you are ready to claw apart the surface of your local racetrack! Allsystems have a fully recirculated wastegate dump tube to prevent fire,noise and stench.
PERRIN Turbo kits are not for the faint of heart and it is best to speak to a PERRIN specialist before ordering. Letus cater the exact combination to meet your needs. We can help you choose the extras that make this project successful with ECU plug-n-play tuning, fuel pumps, etc. NOTE: Some systems do require engine modifications for optimum longevity.
Overall Kit Design
The PERRIN Rotated Turbo kits were originally designed for the customer that needed something bigger and more efficient than a stock location turbo replacement. A stock location turbo has 2 problems areas that cause inefficiencies, and loss in possible overall horsepower, the Intake path, and placement of turbo. Both limit the size of turbo, and sacrifice intake path restrictions, again limiting potential horsepower.
PERRIN™ Rotated is Better!
The PERRIN rotated kit is just that, rotated! Because we rotate the turbo to the side of the engine we can use a larger, smoother and straighter intake system. , and pretty much any size turbo we want! The PERRIN turbo kit places the turbo in the optimum position to attach to almost every aftermarket front mount intercooler.
New Cold Air Intake Hose
Yes our newly revised turbo kit includes a completely new 3" cold air intake system. This new inlet hose is designed to supplied fresh cold air to your Garrett GT turbo. The new intake has fittings for all your crank case, valve cover breatherst and other emissions control hoses. You will see 2 very important changes to our intake system.
No MAF sensor housing
The MAF Sensor housing has been moved to our revolutionary new Blow-thru boost tube. The Blow-Thru boost tube places the MAF sensor inline between the intercooler and the throttle body. Now your ECU will receive a temperature correct reading.
No BOV recirculation fitting
For the first time you can now safely use a Vent to atmosphere blow of valve on your Subaru! Because we moved the MAF sensor to the Blow-thru boost tube just before the throttle body now vent extra boost pressure without the risk of running lean due to a loss of metered air. Any air vented from the blow off valve is now before the MAF sensor allowing the ECU to always receive a accurate reading or air entering the engine.
PERRIN intake systems always include a high flow foam filter element,perfect for large turbo applications. Also included are silicone adapters, and vacuum hoses for the installation. The new 3" pipe aluminum piping look good and out performs previous intake designs.
Up-pipe
The PERRIN Rotated Kit up-pipe is a TIG welded, CNC mandrel bent, 2"304SS tube with .500" CNC cut flanges. The external waste gate is plumbed into the up-pipe with a smooth transition from the wastegate to the exhuast system allowing for smoother exhaust flow and greater control of boost levels. The up-pipe is designed to bolt to a factory exhaust manifold for those who choose to use the stock manifold. We do recommend that you consider the PERRIIN exhaust header. It is a great way to lower the spool RPM, and make more power throughout the RPM band.
Downpipe
The downpipe is TIG welded, CNC mandrel bent, 3" 304SS tube with .500"CNC cut flanges. The PERRIN downpipe features an auxiliary dump tube to recirculate exhaust gasses from the waste gate back into the exhaust system eliminating the risk of fire and melting components from highheat associated with wastegates that just dump under the hood. The PERRIN downpipe dump tube features a floating flange design which can move and adjust to the extreme exhaust temperatures. The tight slip fit allows for expanding and contracting of the wastegate dump tube while still proving a nice tight seal. This slip fit also allows for easy quick removal of the wastegate with out having to unfasten V-band clamps, or flange connections.
At its base the downpipe features a exhaust flange designed to bolt up to your OEM catback exhaust. In turn most aftermarket catback exhausts and the original stock exhaust system will bolt right up to our turbokit. Of course any of the PERRIN Catback exhaust systems will bolt up too.
PERRIN/TiAl 44mm Wastegate
This Wastegate is a key part to controlling boost. We choose the Tial™44mm with V-band connections. V-band connections allow for a tighter more compact install of the turbo kit. Tial™ is a premier brand specializing in wastgate design. Their high quality NiCrFe based alloy valves and 347SS valve housings will offer longer product life compared to competing designs. A 17-7 PH Stainless Steel actuator spring gives consistent pressure at high temperature, resisting "relaxing" at temperature to 900F (483C). The 44mm model features a larger diameter valve compared to other kits, which makes for flawless boost control. A14psi WG spring is included with the kit but many other spring choices exist!
Surge Ports
When applicable(GT3076R and GT4088R), we choose a turbo with compressor surge ports. These are important for controlling surge at low RPM.There are 2 types of surge, surge when the BOV doesn't work well, and surge when the turbo pushes more air than the engine consumes. The surge ports on the turbo are designed to reduce this big "push" of air and broaden the compressor map at lower airflows, where this surge can occur.
Identifying surge ports on a turbocharger can be described as looking like another intake on the compressor housing. The outer port, has small slots machined at the bottom, that allow air to enter the compressor wheel. This allows for air to "recirculate" at low airflow,and in turn pushes the surge limit toward lower RPMs. The GT3076R, ANDGT4088R turbos we use have these surge ports.
Exhaust Housing Size Selection
Most PERRIN turbo kits come with two exhaust housing options. .63AR, and the .82AR. The AR in simple terms is the overall size of the housing. A larger number indicates a freer flowing housing. A larger housings flow more air, but at a lower velocity which in turn has less energy spool the turbo. Though more airflow does equal more upper end horsepower, a larger AR will increase boost lag. The smaller AR. will spool the turbo faster it will have lower horsepower on the upper end.
Kit Includes Rotated Turbo Uppipe
Rotated Turbo Downpipe
STI oil line with female fitting (WRX oil line with banjo fitting is ordered separately)
Gasket set (T3 inlet, Turbo outlet, GT oil drain, 3” gasket, (2) restrictors)
Banjo Coolant Sets (M14 banjo bolt, M14 banjo fitting, (2) M14 washers)
GT oil drain flange
3/8NPT- 1/2” barb 45 degree fitting
10mm x 1.25mm Studs
M8 x 20 Socket cap screws
M8 x 25 Socket cap screws
1/2”-3/8” reducers
1/2”-5/8” reducers
3/8” reducer
#3 hose clamps
T-bolt 175 size
8 PERRIN PYROshield
1/2” Fuel hose
6 Push lock coolant hose
5/32” vacuum hose
Zip ties
Aluminum 3” Turbo Intake (Polished, Red Wrinkle, or Black Wrinkle)
3” Silicone Reducer coupler (Black coupler for red, or black pipe and Red coupler for polished pipe)
2”-2.25” Silicone Jog coupler (Black coupler for red, for black pipe and Red coupler for polished pipe)
3”ID 2 piece air filter
Size 64 hose clamp
Size 48 hose clamp
Size 36 hose clamp
Size 6 Micro hose clamps
1/2” tees
1/2” straight connector
3/8” Straight connector
3/8”-5/16”connector
5/32”-1/8NPT fitting
1/2” fuel hose
1/4” fuel hose
5/32” Vacuum hose
Instructions
NOTE:BLOW-THRU BOOST TUBE MUST BE PURCHASED WITH THIS KIT IF THE FACTORY MAF SYSTEM IS TO BE RETAINED. IF YOU ARE SWITCHING TO MAP YOU DO NOT NEED THE BLOW-THRU BOOST TUBE.
Fits all STi models 2004-2007
2005 STI models may require minor grinding of of transmission casting for clearance.
WRX models 2002+ require the purchase of one additional oil lines and fittings.
All 5 speed transmission vehicles will also require minor grinding of of transmission casting and a soft bend in the dip stick sleeve for clearance.
Simply add a PERRIN front mount intercooler, PERRIN injectors and fuel rails, ECU tuning, Exedy Clutch, PERRIN cat-back Exhaust and you are ready to claw apart the surface of your local racetrack! Allsystems have a fully recirculated wastegate dump tube to prevent fire,noise and stench.
PERRIN Turbo kits are not for the faint of heart and it is best to speak to a PERRIN specialist before ordering. Letus cater the exact combination to meet your needs. We can help you choose the extras that make this project successful with ECU plug-n-play tuning, fuel pumps, etc. NOTE: Some systems do require engine modifications for optimum longevity.
Overall Kit Design
The PERRIN Rotated Turbo kits were originally designed for the customer that needed something bigger and more efficient than a stock location turbo replacement. A stock location turbo has 2 problems areas that cause inefficiencies, and loss in possible overall horsepower, the Intake path, and placement of turbo. Both limit the size of turbo, and sacrifice intake path restrictions, again limiting potential horsepower.
PERRIN™ Rotated is Better!
The PERRIN rotated kit is just that, rotated! Because we rotate the turbo to the side of the engine we can use a larger, smoother and straighter intake system. , and pretty much any size turbo we want! The PERRIN turbo kit places the turbo in the optimum position to attach to almost every aftermarket front mount intercooler.
New Cold Air Intake Hose
Yes our newly revised turbo kit includes a completely new 3" cold air intake system. This new inlet hose is designed to supplied fresh cold air to your Garrett GT turbo. The new intake has fittings for all your crank case, valve cover breatherst and other emissions control hoses. You will see 2 very important changes to our intake system.
The MAF Sensor housing has been moved to our revolutionary new Blow-thru boost tube. The Blow-Thru boost tube places the MAF sensor inline between the intercooler and the throttle body. Now your ECU will receive a temperature correct reading.
For the first time you can now safely use a Vent to atmosphere blow of valve on your Subaru! Because we moved the MAF sensor to the Blow-thru boost tube just before the throttle body now vent extra boost pressure without the risk of running lean due to a loss of metered air. Any air vented from the blow off valve is now before the MAF sensor allowing the ECU to always receive a accurate reading or air entering the engine.
PERRIN intake systems always include a high flow foam filter element,perfect for large turbo applications. Also included are silicone adapters, and vacuum hoses for the installation. The new 3" pipe aluminum piping look good and out performs previous intake designs.
Up-pipe
The PERRIN Rotated Kit up-pipe is a TIG welded, CNC mandrel bent, 2"304SS tube with .500" CNC cut flanges. The external waste gate is plumbed into the up-pipe with a smooth transition from the wastegate to the exhuast system allowing for smoother exhaust flow and greater control of boost levels. The up-pipe is designed to bolt to a factory exhaust manifold for those who choose to use the stock manifold. We do recommend that you consider the PERRIIN exhaust header. It is a great way to lower the spool RPM, and make more power throughout the RPM band.
Downpipe
The downpipe is TIG welded, CNC mandrel bent, 3" 304SS tube with .500"CNC cut flanges. The PERRIN downpipe features an auxiliary dump tube to recirculate exhaust gasses from the waste gate back into the exhaust system eliminating the risk of fire and melting components from highheat associated with wastegates that just dump under the hood. The PERRIN downpipe dump tube features a floating flange design which can move and adjust to the extreme exhaust temperatures. The tight slip fit allows for expanding and contracting of the wastegate dump tube while still proving a nice tight seal. This slip fit also allows for easy quick removal of the wastegate with out having to unfasten V-band clamps, or flange connections.
At its base the downpipe features a exhaust flange designed to bolt up to your OEM catback exhaust. In turn most aftermarket catback exhausts and the original stock exhaust system will bolt right up to our turbokit. Of course any of the PERRIN Catback exhaust systems will bolt up too.
PERRIN/TiAl 44mm Wastegate
This Wastegate is a key part to controlling boost. We choose the Tial™44mm with V-band connections. V-band connections allow for a tighter more compact install of the turbo kit. Tial™ is a premier brand specializing in wastgate design. Their high quality NiCrFe based alloy valves and 347SS valve housings will offer longer product life compared to competing designs. A 17-7 PH Stainless Steel actuator spring gives consistent pressure at high temperature, resisting "relaxing" at temperature to 900F (483C). The 44mm model features a larger diameter valve compared to other kits, which makes for flawless boost control. A14psi WG spring is included with the kit but many other spring choices exist!
Surge Ports
When applicable(GT3076R and GT4088R), we choose a turbo with compressor surge ports. These are important for controlling surge at low RPM.There are 2 types of surge, surge when the BOV doesn't work well, and surge when the turbo pushes more air than the engine consumes. The surge ports on the turbo are designed to reduce this big "push" of air and broaden the compressor map at lower airflows, where this surge can occur.
Identifying surge ports on a turbocharger can be described as looking like another intake on the compressor housing. The outer port, has small slots machined at the bottom, that allow air to enter the compressor wheel. This allows for air to "recirculate" at low airflow,and in turn pushes the surge limit toward lower RPMs. The GT3076R, ANDGT4088R turbos we use have these surge ports.
Exhaust Housing Size Selection
Most PERRIN turbo kits come with two exhaust housing options. .63AR, and the .82AR. The AR in simple terms is the overall size of the housing. A larger number indicates a freer flowing housing. A larger housings flow more air, but at a lower velocity which in turn has less energy spool the turbo. Though more airflow does equal more upper end horsepower, a larger AR will increase boost lag. The smaller AR. will spool the turbo faster it will have lower horsepower on the upper end.
Kit Includes
NOTE:BLOW-THRU BOOST TUBE MUST BE PURCHASED WITH THIS KIT IF THE FACTORY MAF SYSTEM IS TO BE RETAINED. IF YOU ARE SWITCHING TO MAP YOU DO NOT NEED THE BLOW-THRU BOOST TUBE.
2005 STI models may require minor grinding of of transmission casting for clearance.
All 5 speed transmission vehicles will also require minor grinding of of transmission casting and a soft bend in the dip stick sleeve for clearance.
Model
PSP-ENG-868BK - .63 AR Housing w/ Black Wrinkle Intake, PSP-ENG-868RD - .63 AR Housing w/ Red Wrinkle Intake, PSP-ENG-869PL - .82 AR Housing w/ Polished Intake, PSP-ENG-868PL - .63 AR Housing w/ Polished Intake, PSP-ENG-869BK - .82 AR Housing w/ Black Wrinkle Intake, PSP-ENG-869RD - .82 AR Housing w/ Red Wrinkle Intake
If you have any questions about shipping or returns, please contact us at (714) 670-7358 or through our contact page.
DOMESTIC SHIPPING
We ship packages worldwide with a variety of carriers. When purchasing products through the website, the shopping cart will automatically calculate shipping with UPS and FedEx. If you would like to use USPS as a shipping option please contact us and your order can be modified to reflect the changes. On large items the calculations may not be accurate. If this is the case you will be contacted about your order to discuss shipping options. All orders are sent with insurance and are shipped with signature required. This protects you from your packages getting stolen or lost. If you are not at home to sign for your package you may have your order shipped to a work or alternative address which can be done when the order is being placed. Please don’t hesitate to contact us if you have any questions about the shipping rates or shipping options.
INTERNATIONAL SHIPPING
Celtic Motorsport ships all of our products world-wide. We use a variety of excellent international carriers and offer great pricing and fast delivery. For smaller orders that are being shipped International we can use USPS Priority or EMS. Please contact us for a quote on your shipment.
DAMAGED SHIPMENTS
Celtic Motorsport insures all orders to protect you. Every order is packed with the utmost care to prevent damage to your order. In the event your shipment is damaged, you will need to contact us immediately upon receiving your order so that a claim process may be started. The claim may possibly be started by you the consumer but in most cases we will handle the claims.
RETURNS
Please contact Celtic Motosport if you have any questions about returning a product.
- Returns must be made within 30 days of original shipment
- Only uninstalled / unopened products in resalable condition can be returned
- Most returns are subject to a 20% restocking fee
- There are No returns on special order parts
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