Summer Sale: Up to 20% Off!!!

🔥 Ride in Style This Summer🔥

#1 Aero Shop in the USA

Collection:

FS Performance Engineering, Inc.

66 products
20% Off
Regular price from $239.20 USD
Sale price from $239.20 USD
Regular price $299.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES BMW M2/M3/M4 (G80/82/83/87)Fitment: 2021-2025 Keep your oil cooler safe with our G8X shield. Mounts to all OEM holes - no drilling whatsoever. Available Fin...
20% Off
Regular price from $316.00 USD
Sale price from $316.00 USD
Regular price $395.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES BMW M3 G80/G81 & M4 G82/G83 (2021-2025) Front Splitter V2Fitment: 2021-2025 w/ OEM bumper - does not fit the CS model Introducing our BMW M4 Front Split...
20% Off
Regular price from $316.00 USD
Sale price from $316.00 USD
Regular price $395.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES BMW M3 G80/G81 &M4 G82/G83 Front Splitter V1Fitment: 2021-2025 w/ OEM bumper - does not fit the CS model Introducing our BMW M4 Front Splitter V1 for th...
20% Off
Regular price from $23.99 USD
Sale price from $23.99 USD
Regular price $29.99 USD
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Carbon Fiber Scrap - 1.3mm Thick Single-Sided (Semi-Gloss) After we finish with carbon fiber projects, there is always leftover material. We have these pieces available for purchase! Specs: 1.3 mi...
20% Off
Regular price $79.99 USD
Sale price $79.99 USD
Regular price $99.99 USD
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Carbon Fiber Scrap - 1mm Thick Double-Sided After we finish with carbon fiber projects, there is always leftover material. We have these pieces available for purchase! Specs: 1 millimeter thick Do...
20% Off
Regular price from $27.99 USD
Sale price from $27.99 USD
Regular price $34.99 USD
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Carbon Fiber Scrap - 2.4mm Thick Single-Sided (Gloss) After we finish with carbon fiber projects, there is always leftover material. We have these pieces available for purchase! Specs: 2.4 millime...
20% Off
Regular price from $399.20 USD
Sale price from $399.20 USD
Regular price $499.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES CHEVROLET / GMC CATALYTIC CONVERTER GUARD / SHIELD Confirmed Fitment: 2003-2014 w/ a 4.3L V6 Engine(currently checking others) Protect your expensive cataly...
20% Off
Regular price from $399.20 USD
Sale price from $399.20 USD
Regular price $499.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES Your nuts/washers/bolts will be silver.  SILVERADO / SIERRA 1500 CATALYTIC CONVERTER GUARD / SHIELD Confirmed Fitment: 2009-2013, 2WD 4.8L  The secondary p...
20% Off
Regular price from $399.20 USD
Sale price from $399.20 USD
Regular price $499.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES CHEVROLET / GMC CATALYTIC CONVERTER GUARD / SHIELD Confirmed Fitment: 2014-2018 (3rd gen) & 2019 LD/Limited (see below), fits V6/V8Please confirm your v...
20% Off
Regular price from $279.20 USD
Sale price from $279.20 USD
Regular price $349.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES CHEVROLET SILVERADO / GMC SIERRA 1500 CATALYTIC CONVERTER GUARD / SHIELD VERSION 1Confirmed Fitment: 2019-2025 NEW: TRY OUR VERSION 2. IT'S THICKER AND MOU...
20% Off
Regular price from $359.20 USD
Sale price from $359.20 USD
Regular price $449.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES Chevy Silverado / GMC Sierra 1500 Catalytic Converter Guard VERSION 2Confirmed Year Fitment: 2019-2025 w/ a 5.3L / 6.2L V8, 2WD & 4WD  Confirm Trim Leve...
20% Off
Regular price from $319.20 USD
Sale price from $319.20 USD
Regular price $399.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES CHEVROLET / GMC CATALYTIC CONVERTER GUARD / SHIELD 2500HDConfirmed Fitment: 2020-2025 Must have 2020+ Body Style Engines currently fitted: 6.6L Duramax Die...
20% Off
Regular price from $279.20 USD
Sale price from $279.20 USD
Regular price $349.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES CHEVROLET / GMC CATALYTIC CONVERTER GUARD / SHIELDConfirmed Fitment: 2021-2023 Engines currently fitted: 5.3L & 6.2L V8 (Diesel & V8 are different c...
20% Off
Regular price from $399.20 USD
Sale price from $399.20 USD
Regular price $499.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES CHEVROLET / GMC CATALYTIC CONVERTER GUARD / SHIELDConfirmed Years: 2015-2020Confirmed Fitment: Yukon, Yukon XL, Tahoe, Suburban Does NOT fit 2500/3500 Model...
20% Off
Regular price from $359.20 USD
Sale price from $359.20 USD
Regular price $449.00 USD
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Tahoe/Suburban & Yukon/Yukon XL Catalytic Converter Guard VERSION 2Confirmed Years: 2019-2025Confirmed Fitment: Yukon, Yukon XL, Tahoe, SuburbanEngine Sizing: 5.3L/6.2L V8 (2wd or 4wd) Our VERS...
20% Off
Regular price from $639.20 USD
Sale price from $639.20 USD
Regular price $799.00 USD
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EXPRESS/SAVANNA CATALYTIC CONVERTER GUARD / SHIELD (cargo/passenger van) Confirmed Fitment: 2006-2009 w/ a 4.8L or 6L V8 (Express and Savana) - Cargo / Passenger Van Only This does NOT fit the Silv...
20% Off
Regular price from $556.00 USD
Sale price from $556.00 USD
Regular price $695.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES EXPRESS/SAVANNA CATALYTIC CONVERTER GUARD / SHIELD Confirmed Fitment: 2010-2020 w/ a  4.8L or 6L V8 (Express and Savana) - This fits the express and savana ...
20% Off
Regular price from $556.00 USD
Sale price from $556.00 USD
Regular price $695.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES EXPRESS/SAVANNA CATALYTIC CONVERTER GUARD / SHIELD Confirmed Fitment: 2021-2024 w/ a  4.3L V6 or 6.6L V8 (Express and Savana)  This fits the express and sav...
20% Off
Regular price from $556.00 USD
Sale price from $556.00 USD
Regular price $695.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES EXPRESS/SAVANNA CATALYTIC CONVERTER GUARD / SHIELD Confirmed Fitment: 2025 w/ a  4.3L V6 or 6.6L V8 (Express and Savana)  This fits the express and savana v...
20% Off
Regular price $119.96 USD
Sale price $119.96 USD
Regular price $149.95 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES Chevy Express / GMC Savana 3500 Seat Blanking Plates (pair) Upon removing the rear seats in a 3500 Cargo Van, there are exposed holes that present a potenti...
20% Off
Regular price from $319.20 USD
Sale price from $319.20 USD
Regular price $399.00 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES NEW DESIGN PROVIDES LARGER COVER FOR OIL DRAINAGE & MAXIMUM COOLING - a total of 12 slots on the body, and 5 slots in the oil drain coverFORD F-150 CATA...
20% Off
Regular price from $559.99 USD
Sale price from $559.99 USD
Regular price $699.99 USD
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SHIPS FREE TO THE LOWER 48 UNITED STATES Ford F-250 (2008-2010) Catalytic Converter Guard (5.4L V8 Gasoline 4WD)Fitment: 2008-2010 w/ a 5.4L V8 Gasoline Engine, 4-Wheel Drive Protect your expensive...
20% Off
Regular price from $1,467.99 USD
Sale price from $1,467.99 USD
Regular price $1,834.99 USD
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FORD FOCUS RS CARBON FIBER FRONT SPLITTERFitment: 2016-2018 This is what quality looks like. CARBON FIBER Pure 2x2 Twill Weave 2.4mm thick - EXTREMELY DURABLE, not an overlay Semi-gloss gel coat ...
20% Off
Regular price from $519.20 USD
Sale price from $519.20 USD
Regular price $649.00 USD
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FORD TRANSIT CATALYTIC CONVERTER GUARD / SHIELD Confirmed Fitment: 2014-2019 w/ 3.7L Gas Engine AWD (all-wheel drive only!!)(not confirmed on the 3.5L engine!!!!!!). If you are unsure which engine ...