Speedmaster Downdraft EFI Stack Intake Manifold Systems

EFI Performance Intakes

Speedmaster's Downdraft EFI Stack Intake Manifold Systems are designed to provide exceptional EFI tuning and versatile engine performance. These intake systems deliver crisp EFI performance in up to 1000 hp applications. Precision cast aluminum 50mm IDA-style throttle bodies supply sufficient fuel and air to provide superior idle characteristics and throttle response. Improve your vehicle's emissions and air/fuel ratio economy with a downdraft EFI stack intake manifold system from Speedmaster!

Speedmaster Downdraft EFI Stack Intake Manifold Systems

EFI Performance Intakes

Small Block Chevy

Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Chevy Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Chevy Fuel Injected

Speedmaster Downdraft EFI Stack Intake System Kit for Small Block Chevy

Speedmaster Downdraft EFI Stack Intake System Kit for Small Block Chevy

Speedmaster Downdraft EFI Stack Intake Manifold Small Block Chevy 350 [Black]

Speedmaster Downdraft EFI Stack Intake Manifold Small Block Chevy 350 [Black]

Chevy LS1

Speedmaster Complete Downdraft EFI Stack Intake Manifold System [Chevy LS1 Fuel Injected] Polished

Speedmaster Complete Downdraft EFI Stack Intake Manifold System [Chevy LS1 Fuel Injected] Polished

Chevy LS3

Speedmaster Downdraft EFI Stack Intake Manifold - Chevy LS3 Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Chevy LS3 Fuel Injected

Speedmaster Complete LS3 Downdraft EFI Stack Intake Manifold System Kit

Speedmaster Complete LS3 Downdraft EFI Stack Intake Manifold System Kit

Chevy LS7

Speedmaster PCE148.1055 Chevy LS7 Side Draft EFI Stack Intake Manifold System Complete [Satin]

Speedmaster PCE148.1055 Chevy LS7 Side Draft EFI Stack Intake Manifold System Complete [Satin]

Chrysler HEMI 6.1L

Speedmaster Downdraft EFI Stack Intake Manifold - Chrysler HEMI 6.1L Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Chrysler HEMI 6.1L Fuel Injected

Ford

Speedmaster Downdraft EFI Stack Intake Manifold - Big Block Ford 460 Fuel Injected - Black

Speedmaster Downdraft EFI Stack Intake Manifold - Big Block Ford 460 Fuel Injected - Black

Speedmaster Downdraft EFI Stack Intake Manifold - Big Block Ford 460 Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Big Block Ford 460 Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Ford FE 390/427/428 Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Ford FE 390/427/428 Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected

Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected - Black

Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected - Black

Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected - Satin

Speedmaster Downdraft EFI Stack Intake Manifold - Small Block Ford 260, 289, 302W Fuel Injected - Satin

Speedmaster Complete Downdraft EFI Stack Intake Manifold System Kit Big Block Ford 460

Speedmaster Complete Downdraft EFI Stack Intake Manifold System Kit Big Block Ford 460

Speedmaster Downdraft EFI Stack Intake Manifold Ford 302/351C [Satin Finish]

Speedmaster Downdraft EFI Stack Intake Manifold Ford 302/351C [Satin Finish]