Installation Time
(approx) 3 Hours
Difficulty Level:
Light to Moderate mechanical skill required.
FREE 1 to 3-Day Delivery on Orders $149+ Details
Speedmaster 98mm 4-Bolt Fabricated High Ram Air EFI Intake Manifold; Polished (11-23 Mustang GT)Find parts that fit my vehicle
Item 483543
Our Price
$652.50 each
Military, Medical & First Responders
$32.63 Available in AM Cash Rewards.
Confirm Eligibility
Confirm Eligibility
CONFIRM THIS FITS YOUR VEHICLE!
Saved - View your saved items
We're sorry. We couldn't save this product at this time.
Shop Owners Save More!
Sign up for our dealer program
Product Information
Features, Description, Q&A, Specs & Installation
Features
- Brand Speedmaster
- Part Type Intake Manifold, Fuel Injected
- Engine Block Style LS3
- Injection Style Multi-Port
- Basic Operating RPM Range Idle-7,000
- Intake Section Included Complete
- Intake Front Height 10.00 Inches
- Intake Rear Height 6.25 Inches
- EGR No
- Injectors Included No
- Fuel Rails Included Yes
- Aftermarket Fuel Rail Required N/A
- Throttle Body Included No
- Throttle Body Bore Diameter 98mm
- Supplemental Bosses Cast-In No
- Supplemental Bosses Machined Yes
- Runners Included Yes
- Runners Removable No
- Base Material Aluminum
- Base Finish Painted Black
- Quantity Sold Individually
- Notes Intake Manifold O-Rings Not Included
- Fits 11-23 Mustang GT
Description
High-Performance Intake. The Speedmaster 98mm 4-Bolt Fabricated High Ram Air EFI Intake Manifold; Polished is engineered for enhancing airflow on LS3 engines, maximizing performance in both naturally aspirated and forced induction setups. It optimizes runner length and cross-sectional design for improved throttle response and engine efficiency.
Construction and Appearance. Crafted from durable aluminum, this intake manifold features a two-piece fabricated design with a painted black finish for corrosion resistance and aesthetic appeal. The manifold includes machined supplemental bosses and is designed with precision to support high airflow demands.
Installation. Installation requires moderate mechanical skill with no drilling necessary due to the inclusion of fuel rails, but the throttle body is not included. The design accommodates multi-port fuel injection, streamlining compatibility with LS3 engine architecture.
Warranty. This product includes a 12-month limited worldwide warranty for peace of mind and reliability.
Application. Specifically designed to fit the 2011-2023 Mustang GT, ensuring proper fitment and optimal performance for this vehicle platform.
Speedmaster 1-148-054
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Intake Manifold
- (1) Throttle Body Adapter
- Hardware
Tech Specs
Questions & Answers
No questions about this product yet.
Ask the First Question
Will It Fit My Mustang
- Boss 302 - 12, 13
- Bullitt - 19, 20
- GT - 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23
- Mach 1 - 21, 22, 23
