Installation Time
(approx) 6 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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On3 Performance Top Mount Twin Turbo System with GT30 55mm Billet Wheel Journal Bearing Turbos (15-17 Mustang GT)Find parts that fit my vehicle
Item 479283-C
Our Price
$5,200.00 - $6,345.00
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$296.00 Available in AM Cash Rewards.
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Product Information
Features, Description, Q&A, Specs & Installation
Features
- Top Mount Twin Turbo System for 2015-2017 Mustang GT 5.0 S550 chassis
- Multiple turbocharger options available including GT30 and GT35 with cast or billet wheels and journal or ball bearing variants
- Wastegate choices include On3 Performance 44mm and Turbosmart 45mm Hypergates
- Intercooler options consist of On3 Performance 3.5" and 5" race bar & plate intercoolers rated up to 1200HP
- Twin turbo setup features forward facing 304 stainless steel turbo headers
- Includes 3" 304 stainless steel downpipe set and stainless lapband exhaust clamp set
- Cold side features polished 6061 aluminum tubing and custom silicone coupler kit
- High flow washable air filter set (2 pieces) included
- Includes CNC billet oil feed adapter, braided stainless steel oil feed kit, and turbo oil drain hose kit
- Equipped with On3 Performance V band inlet/outlet exhaust housings for easy adjustability
- Custom A/C line, laser cut intercooler brackets, ECU relocation kit, and main fuse panel relocation kit are included
- System has demonstrated capability of approximately 700 rwhp without fuel modifications
- Fits 15-17 Mustang GT
Description
High-Performance Twin Turbo System. The On3 Performance Top Mount Twin Turbo System is engineered to add substantial power and efficiency to the naturally aspirated 2015-2017 Mustang GT 5.0 models by utilizing a sophisticated twin turbo layout. This system provides enhanced airflow and power delivery suitable for racers and enthusiasts seeking reliable performance upgrades with adaptable tuning options.
Construction and Appearance. Constructed from durable 304 stainless steel with custom cast forward-facing turbo headers, the system features polished 6061 aluminum cold side tubing paired with quality silicone couplers. Components are designed for strength, corrosion resistance, and effective heat management while presenting a professional finish.
Installation. Installation requires intermediate mechanical skills and involves relocating the ECU, fuse panel, and A/C lines. The hardware and included relocation kits help ensure a secure and integrated setup, though modifications are necessary to accommodate the system fully.
Application and Fitment. Designed specifically for exact fitment on 2015-2017 Mustang GT 5.0 models with the S550 chassis, the system offers compatibility that optimizes both performance and integration on these vehicles.
On3 Performance 15S550TT.55b
15S550TT.55b.5
15S550TT.55b.TS
15S550TT.55b.5.TS
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (2) GT30 Turbochargers
- Exhaust Manifolds
- (1) Front Mount Intercooler
- Charge Piping
- Wastegates
- Blow Off Valves
- Oil Lines
- Hardware
Tech Specs
Questions & Answers
No questions about this product yet.
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Will It Fit My Mustang
- GT - 15, 16, 17
