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Not sure what to do with your MAZDASPEED Protege?
fuel cut | hesitation | blow off valves | clunk & squeak | turkey sound | compression surge |
stalling | boost levels | detonation | vacuum lines | forged motor | wheel hop | LSD | etc...)

Ask us via phone or email!

Street Unit Performance Inc. is on the top of the industry for MAZDASPEED aftermarket supply.  We also take requests and design custom parts for the MAZDASPEED Protege. We currently have multiple parts in the R&D stage for the MSP.  In addition to our parts, we are a stocking distributor of over 150 of the industries leading manufacturers. 

MAZDASPEED Protege Tech Forum

Need help deciding what to do to your MSP? View the Chart Below

Learn how to successfully modify a daily driven MAZDASPEED Protege

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SU MAZDASPEED Protege Engine Mounts MAZDASPEED Protege Engine Mount Protege Motor Mounts
StreetUnit Billet Aluminum Front Engine Mount: All Protege 99-03
Our Price: $99.00
StreetUnit Billet Aluminum Rear Engine Mount: All Protege 99-03
Our Price: $99.00
StreetUnit Billet Aluminum Front & Rear Engine Mount Combo: All Protege 99-03
Our Price: $198.00
BC Coilover Kit Protege MAZDASPEED 20mm Bushings Protege Motor Mounts
BC Racing Adjustable Coilover Kit: ALL Mazda Protege (1999-2003.5)
List Price: $1,250.00
Our Price: $999.00
You Save $251.00
StreetUnit 20mm Rear Sway Bar Bushing Replacement: Stock MAZDASPEED Protege & MP3
Our Price: $14.99
StreetUnit Billet Aluminum Side Engine Mounts: All Protege 99-03
Our Price: $249.00
Protege Motor Mounts Exedy Stage 1 Performance Clutch Kit
StreetUnit Billet Aluminum 4 Piece Full Engine Mount Kit: All Protege 99-03
List Price: $447.00
Our Price: $395.00
You Save $52.00
Exedy Stage 1 Performance Clutch Kit: MAZDASPEED & All Protege and others
List Price: $497.95
MSP Recommended Street Clutch $305.12
You Save $192.83
Exedy Stage 2 Track Clutch Kit: MAZDASPEED & All Protege
List Price: $562.80
Our Price: $497.70
Sale Price: $389.69
You Save $173.11
MAZDASPEED LSD MAZDASPEED LSD MAZDASPEED LSD Bearing
MAZDASPEED Protege Updated Limited Slip Differential (LSD)
Our Price: $459.00
MAZDASPEED Protege Updated & TIG WELDED Limited Slip Differential (LSD)
Our Price: $529.00
MAZDASPEED Protege Main Shaft Bearing
Our Price: $36.00
Quaife LSD Quife Bolt Kit Fidanza 7.5 lb Light Weight Aluminum Flywheel Protege 01-03
Quaife LSD Differential G-Type: All Protege 01-03
Our Price: $1,539.00
Quaife Differential Bolt Kit: G-Type
Our Price: $199.00
Fidanza 7.5 lb Light Weight Aluminum Flywheel: Protege 01-03
List Price: $439.00
Our Price: $355.00
You Save $84.00
Spec Clutch Kit Stage 1: MAZDASPEED Protege
List Price: $419.00
Our Price: $377.00
You Save $42.00
Spec Clutch Kit Stage 2: MAZDASPEED Protege
List Price: $499.00
Our Price: $449.00
You Save $50.00
Spec Clutch Kit Stage 2+: MAZDASPEED Protege
List Price: $539.00
Our Price: $485.00
You Save $54.00
Spec Clutch Kit Stage 3: MAZDASPEED Protege
List Price: $549.00
Our Price: $529.00
You Save $20.00
Spec Clutch Kit Stage 3+: MAZDASPEED Protege
List Price: $659.00
Our Price: $593.00
You Save $66.00
Spec Clutch Kit Stage 4: MAZDASPEED Protege
List Price: $509.00
Our Price: $458.00
You Save $51.00
Spec Light Weight Aluminum Flywheel
Spec Clutch Kit Stage 5: MAZDASPEED Protege
List Price: $609.00
Our Price: $548.00
You Save $61.00
Spec 6.8lb Light Weight Aluminum Flywheel: Protege 01-03
Our Price: $389.00
ACT 4 Pad Race Clutch: All Protege 01+ 2.0L
List Price: $440.00
Our Price: $370.00
You Save $70.00
ACT 6 Pad Race Clutch: All Protege 01+ 2.0L
List Price: $440.00
Our Price: $370.00
You Save $70.00
Spec Clutch Kit Stage 1: All Protege 01-03
List Price: $279.00
Our Price: $251.00
You Save $28.00
Spec Clutch Kit Stage 2: All Protege 01-03
List Price: $329.00
Our Price: $296.00
You Save $33.00
Spec Clutch Kit Stage 3: All Protege 01-03
List Price: $369.00
Our Price: $332.00
You Save $37.00
Spec Clutch Kit Stage 4: All Protege 01-03
List Price: $369.00
Our Price: $332.00
You Save $37.00
Spec Clutch Kit Stage 5: All Protege 01-03
List Price: $439.00
Our Price: $395.00
You Save $44.00
Steedspeed MSP Turbo Manifold TurboSmart E-Boost Street Electronic Boost Controller
ACT Street Clutch: All Protege 01+ 2.0L
List Price: $451.00
Our Price: $398.00
You Save $53.00
Steedspeed CNC Machined Exhaust Manifold Ceramic Coated: MAZDASPEED Protege
List Price: $799.00
Our Price: $750.00
You Save $49.00
TurboSmart E-Boost Street Electronic Boost Controller 30PSI/2.05BAR Max
Our Price: $395.00
AEM TRU-BOOST Gauge-Type Controller
AEM TRU-BOOST Gauge-Type Controller
List Price: $335.58
Our Price: $329.00
You Save $6.58
GHL Stainless Steel Turboback Exhaust System: MAZDASPEED Protege
List Price: $1,295.00
Our Price: $1,195.00
You Save $100.00
MAZDASPEED Protege Turbo Stud Replacement Kit
Our Price: $46.00
BC Racing Dampening Extensions StreetUnit Anodized Billet Aluminum Power Steering Cap Mazda License Plate Frame
BC Racing Dampening Extensions for Coilover Kits
Our Price: $39.00
StreetUnit Anodized Billet Aluminum Power Steering Cap: Many Mazdas
Our Price: $59.00
BLOWOUT: $35.00
You Save $24.00
Street Unit Performance & "MAZDASPEED" License Plate Frame: Universal
Our Price: $9.95
Save 10% $8.96
You Save $0.99
MSP Radiator Tablets StreetUnit Blacked Out Emblems: MSP StreetUnit Blacked Out Emblems: MSP
StreetUnit Billet Aluminum Radiator Tablet Set: MAZDASPEED Protege
Our Price: $49.00
Intro Price: $39.00
You Save $10.00
StreetUnit Black Out "Flying M" Front & Rear Emblem Set: MAZDASPEED Protege
Our Price: $79.00
StreetUnit Black Out "Flying M" Front Emblem: MAZDASPEED Protege
Our Price: $44.00
License Plate Frame Sway Bar Bushing
Street Unit Performance, Inc. "Soul of the Streets" License Plate Frame: Universal
Our Price: $8.95
StreetUnit Front Sway Bar Bushing Replacement: Stock MAZDASPEED Protege & MP3 (25mm)
Our Price: $19.99
StreetUnit Front and Rear Sway Bar Bushing Replacement Kit: Stock MAZDASPEED Protege & MP3
List Price: $65.96
Our Price: $58.98
You Save $6.98
AWR MAZDASPEED 20mm Bushings Tein S-Tech Mazda Protegé 5 01-04 StreetUnit Blacked Turbo Emblem
AWR Rear Sway Bar Bushing Replacement: Stock MAZDASPEED Protege & MP3 (20mm)
Our Price: $14.99
Tein S-Tech Springs MAZDASPEED Protege, Protege5, & MP3 (01-04)
List Price: $340.00
Our Price: $323.00
You Save $17.00
StreetUnit Black Out "Turbo" Emblem (5.5" x 1")
Our Price: $45.00
Black Out Mazda Emblem Black Out Mazda Emblem Black Mazda Performance Series Emblem
StreetUnit Black Out "MAZDA" Emblem: Universal (5.75" x 1")
Our Price: $46.00
StreetUnit Black Out "MAZDA" Emblem: Universal (6.5" x 1.25")
Our Price: $46.00
StreetUnit Black Out Mazda Performance Series Emblem (MPS): MAZDASPEED 6 & MAZDASPEED Protege
Our Price: $59.00
StreetUnit Black Out Mazdaspeed Chrome Mazda Emblem Chrome Transformers
StreetUnit Black Out "MAZDASPEED" Emblem
Our Price: $39.00
Chrome Mazda Emblem: Universal (5.75" x 1")
Our Price: $26.00
Chrome Transformers "Megatron" Emblem
Our Price: $22.99
Chrome Transformers Chrome Mazda Performance Series Emblem Chrome AutoExe Logo Emblem
Chrome Transformers "Optimus Prime" Emblem
Our Price: $22.99
Chrome Mazda Performance Series Emblem (MPS) (6.5" x 1.25"): MAZDASPEED 6 & MAZDASPEED Protege
Our Price: $43.00
Chrome AutoExe Emblem
Our Price: $89.99
Chrome Mazda Logo Emblem MAZDASPEED Logo Emblem Chrome Mazda Emblem
Chrome Mazda "Flying M" Logo Emblem
Our Price: $35.00
MAZDASPEED Logo Emblem
Our Price: $39.00
Chrome Mazda Emblem: Universal (6.5" x 1.25")
Our Price: $26.00