Halltech STR intake system for 2017–2019 C7 Corvette Grand Sport LT1 engine

Halltech STR intake filter and screen for 2017–2019 C7 Corvette Grand Sport LT1

Halltech STR intake installed front view on 2017–2019 C7 Corvette Grand Sport LT1

Halltech

C7 Corvette Grand Sport Halltech Intake (2017-2019)

STR

$679.99

In stock - Ships in 2–3 business days

PCV

1 PCV Line

2 PCV Lines

Filter Options

S&B Red Oiled Filter

S&B Blue Dry Filter

S&B Grey Oiled Track Filter

TKO Blue Dry Nano Filter +$25

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Halltech STR Intake System for C7 Corvette Grand Sport LT1

The Halltech STR Intake System (Part Number: STR) is engineered specifically for the 2017–2019 C7 Corvette Grand Sport equipped with the LT1 engine. This intake is designed to improve airflow efficiency while maintaining stable drivability and proper integration with the C7 Grand Sport engine bay layout.

Product Details
The STR system uses a rotomolded, tapered intake design paired with a high-flow filter element to support consistent airflow delivery through the LT1 operating range. A velocity stack is integrated to promote smooth airflow transition, and a dedicated heat shield helps limit engine bay heat influence at the filter location. The design focus here is repeatable airflow behavior and clean drivability rather than relying on generic intake sizing.

Why Halltech Leads

Designed specifically around the airflow and fitment requirements of the LT1 platform
Intake geometry supports stable airflow behavior for predictable drivability
Heat shielding helps reduce unnecessary heat influence at the filter location
Direct-fit layout engineered around the C7 Grand Sport engine bay

Benefits List

Engineered for 2017–2019 C7 Corvette Grand Sport LT1 fitment
Improved throttle response during normal street driving and acceleration
More pronounced intake sound under load
Velocity stack supports smooth airflow transition
Direct-fit installation using factory mounting points

What to Expect After Installation
Many Grand Sport owners notice quicker throttle response and a more audible intake sound during acceleration. If you’re wondering whether this requires tuning, the system is designed to run correctly on factory calibration when installed as intended. Vehicles with additional airflow modifications may benefit from calibration to fully optimize response and fueling.

Technical Specifications

Brand: Halltech
System: STR Intake System
Part Number: STR
Application: C7 Corvette Grand Sport
Engine Fitment: LT1
Construction: Rotomolded intake assembly
Filter: High-flow reusable air filter

Installation Overview
Direct-fit installation using standard hand tools with no permanent modifications required. Installation time typically averages about an hour depending on experience level. After installation, inspect clamps and couplers after initial heat cycles to confirm long-term sealing.

Corvette Compatibility

2017–2019 C7 Corvette Grand Sport (LT1)

This fits the 2017–2019 C7 Corvette Grand Sport LT1 exactly.

Cross-Compatibility & Related Fitment
Not designed for C7 Corvette Z06 models equipped with the supercharged LT4 engine. Not designed for C7 Corvette ZR1 applications. Fitment is specific to LT1-equipped Grand Sport applications as listed.

Testimonials

“The STR on my 2018 Grand Sport improved throttle response and the intake sound is noticeable when you get into it.” – 2018 C7 Grand Sport Owner

Custom Corvette Accessories is enthusiast-run and Corvette-focused. The Halltech STR is one of the best upgrades for C7 Corvette Grand Sport owners who want improved airflow with a direct-fit install while keeping predictable LT1 drivability.

If you want a Halltech intake engineered specifically for the 2017–2019 C7 Corvette Grand Sport, the STR delivers controlled airflow, a direct-fit installation, and consistent LT1 behavior without compromising everyday drivability.

Vehicle Fitment & Specifications

Generation:	C7
Model Years:	2017 - 2019
Trim Level:	Grand Sport
Engine Code:	LT1
Transmission Type:	Manual, Automatic
Intended Use:	Street

Frequently Asked Questions

Does the Halltech STR require tuning?

It is designed to run correctly on factory calibration, but tuning may help modified LT1 setups

Is this intake legal for use in California?

No. This intake is not CARB-approved for California use.