Stud welding uses a type of flux called a ferrule, a ceramic ring which concentrates the heat generated, prevents oxidation and retains the molten metal in the weld zone. The ferrule is broken off of the fastener after the weld is completed. This lack of marring on the side opposite the fastener is what differentiates stud welding from other fastening processes.
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• Direct fit for the 2015+ Subaru WRX
• Dyno-proven gains of up to 73 whp and 64 wtq with catted downpipe, Mishimoto tune and Mishimoto Performance Air Intake using 93 octane fuel (see additional images for dyno chart)
• Dyno proven gains of up to 57 whp and 52 wtq with catted downpipe and Mishimoto tune using 93 octane fuel (see additional images for dyno chart)
• Significant torque improvement in the low end and across the entire power band
• Fits with both manual and CVT transmissions
• Extremely aggressive turbo and exhaust tone under acceleration and boost
• 304 Stainless Steel 1-piece design allows for uninterrupted exhaust flow
• 3/8″ thick stainless steel CNC-machined 4-bolt flange
• 3.5″ to 3.0″ transition out of turbo outlet allows exhaust gas to flow smoothly
• Additional wideband O2 sensor bung and plug in ideal location for aftermarket wideband sensors
• Mates with the stock cat-back exhaust
• New turbine housing studs
• High flow catalytic converter (optional)
• Includes stock Subaru turbo outlet gasket
• Made in the USA
• Mishimoto Lifetime Warranty
Model: MMDP-WRX-15
2015 Subaru WRX/STI Down Pipe Installation Guide
PARTS LIST
(1) STAINLESS STEEL DOWNPIPE WITH 4-BOLT TURBO FLANGE AND 2-BOLT CAT FLANGE
(1) STAINLESS STEEL TRANSMISSION BRACKET (MANUAL OR CVT)
(1) HIGH-FLOW CATALYTIC CONVERTER (OPTIONAL)
(1) ADDITIONAL M18 X 1.5MM O2 SENSOR BUNG WITH PLUG OPTIONAL AIRBOX WITH PROTECTIVE EDGING
(1) 4-BOLT FLANGE GASKET
(1) 2-BOLT FLANGE GASKET
(4) M10 X 1.25MM EXHAUST STUDS
(2) M10 X 1.25MM X 40MM HEX BOLTS, STAINLESS STEEL
(6) M10 X 1.25MM SERRATED FLANGE NUTS, STAINLESS STEEL
(2) M10 X 1.25MM X 16MM HEX BOLTS (WITH 5MM HEAD HEIGHT), STAINLESS STEEL
(4) M10 WASHERS, STAINLESS STEEL
(2) M8 X 1.25MM X 20MM FLANGE BOLTS, STAINLESS STEEL
(1) M6 X 1.0MM X 10MM FLANGE BOLT, STAINLESS STEEL
TOOLS NEEDED
12MM DEEP SOCKET
13MM DEEP SOCKET
14MM SOCKET
14MM DEEP SOCKET
15MM DEEP SOCKET
E10 TORX SOCKET
3/8” DRIVE 6” EXTENSION
3/8” DRIVE SWIVEL SOCKET
3/8” DRIVE RATCHET
14MM RATCHET WRENCH
14MM WRENCH
22MM WRENCH
POP-CLIP PLIERS
FLATHEAD SCREWDRIVER
Install Time: 2 Hours
Difficulty: 3/5
Disclaimer
• Please dispose of any liquids properly.
• Allow vehicle to cool completely prior to attempting installation.
• Mishimoto Performance (MP) is not responsible for any vehicle
damage or personal injury due to installation errors, misuse,
or removal of MP products.
• MP always suggests that a trained professional install all
MP products.
• Do not run the engine or drive the vehicle while overheating.
Serious damage may occur.
• Raise vehicle only on jack stands or on a vehicle lift
Download the full install guide for MMDP-WRX-15 to learn how to install your new 2015 Subaru WRX/STI Down Pipe.
Download here: https://lib.store.yahoo.net/lib/yhst-6…