Our Engineers' Favorite Products They Have Designed
From the minds that engineered them to the machines they personally drive, these are our top product picks, straight from our enthusiast engineers! As die-hard automotive lovers themselves, our team pours their passion and expertise into every design. If it's not good enough for our own vehicles, you won't find it here. Get a glimpse into the parts we trust and install on our personal rides and we truly are enthusiasts built!
We Truly Are Enthusiasts Built!
Check Vehicle Fitment Before Ordering
Tell Us What You Want To See Next!
C8 RS6 / RS7 "Kohlefaser Luft-Technik" Intake System
Featuring dual cone filters, carbon fiber shroud and carbon fiber turbo inlets for superior air flow and aesthetics.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Bill, Caleb, Collin, Derek, Eric, Matt, Tom
Voted In By Bill, Caleb, Collin, Derek, Eric, Matt, Tom
Brand:
ES#:
4708514
Mfg#:
026620LA01KT
D4 A8/S8 4.0T Luft-Technik Performance Intake System - With Upgraded Turbo Inlets
Engineered for maximum airflow and sound! Featuring silicone inlets, aluminum heat shields, and high-flowing conical air filters.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Caleb
Voted In By Caleb
Brand:
ES#:
4849832
Mfg#:
041664LA04
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Aug 14, 2026
Ships on Aug 14, 2026
D4 4.0T Upgraded Turbo Inlets
Upgrade your A8 with a true dual inlet setup! Engineered for increased airflow and less restriction.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Caleb
Voted In By Caleb
Brand:
ES#:
4849833
Mfg#:
037968LA01KT
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Jul 8, 2026
Auto Notify
Ships on Jul 8, 2026
MK1 R8 V8 Carbon Fiber Performance Intake System
OEM+ style, fitment, and performance! Unlock hidden horsepower and induction noise with a true cold air intake system.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Caleb
Voted In By Caleb
Brand:
ES#:
4848187
Mfg#:
041178LA01
Audi C7/C7.5 S6 Air To Air Intercooler Kit
Finally eliminate heat soak and keep IAT's consistent for the most power!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Collin & Derek
Voted In By Collin & Derek
Brand:
ES#:
4742965
Mfg#:
012711LAKT
8Y RS3 Front Mount Intercooler
Drastically reduce charge air temperature with a MASSIVE 130% increase in core size! No crash bar modifications are required for installation.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Bill, Caleb, Joe, Matt, Ricardo
Voted In By Bill, Caleb, Joe, Matt, Ricardo
Brand:
ES#:
4781650
Mfg#:
048042LA01KT
8V/8Y Street Shield Aluminum Skid Plate Kit
Protect vital underbody componentry from costly damage with our durable 8GA (3.3mm) aluminum skid plate!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Brent
Voted In By Brent
Brand:
ES#:
4682550
Mfg#:
047016LA01KT1
8Y RS3 Luft-Technik Intake System
Flow increase of over 25% compared to stock and all the added turbo noises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Caleb & Collin
Voted In By Caleb & Collin
Brand:
ES#:
4815909
Mfg#:
046974LA01
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Back Ordered
Back Ordered
8Y RS3 Kohlefaser Luft-Technik Intake System
Flow increase of over 25% compared to stock and all the added turbo noises!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Caleb & Collin
Voted In By Caleb & Collin
Brand:
ES#:
4815898
Mfg#:
046988LA01
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships in 10 Business Days
Ships in 10 Business Days
8Y RS3 Big Bore Turbo Inlet Pipe
Reduce restriction at your turbo for a 17% increase in air flow with this easy bolt on modification. Featuring an 101mm opening!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Caleb
Voted In By Caleb
Brand:
ES#:
4782983
Mfg#:
047002LA01KT
Audi 8Y RS3 Cat Back Exhaust System
Experience your driving passion with our ECS Valved Exhaust System!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Matt
Voted In By Matt
Brand:
ES#:
4743228
Mfg#:
046960LA01
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
In Stock
In Stock
B9 RS5 Carbon Fiber Turbo Inlet Pipe
The epitome of function and form! Experience a radical increase in airflow, a decrease in overall restriction, and boost your engine bay aesthetic.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Matt
Voted In By Matt
Brand:
ES#:
4876048
Mfg#:
040291LA
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
In Stock
In Stock
Audi B9 RS5 2.9T Kohlefaser Luft-Technik Intake System
Enhance your engine's performance and looks with our ECS Carbon Fiber Cold Air Intake
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Ricardo
Voted In By Ricardo
Brand:
ES#:
4213300
Mfg#:
005875LA01AKT1
Audi B9 RS5 2.9T Luft-Technik Intake System
Enhance your engine's performance and looks with our ECS Cold Air Intake
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Ricardo
Voted In By Ricardo
Brand:
ES#:
4213158
Mfg#:
005875LA01AKT2
3.0T Billet Aluminum Thermostat - 80°C
Ditch your failure-prone OE plastic thermostat with a high-performance, billet aluminum alternative!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Matt
Voted In By Matt
Brand:
ES#:
4876046
Mfg#:
053120LA02
ECS Billet Aluminum Sun Visor Clips - Pair
Never break another hook on your sun visor clip again!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By AJ, Gary, Josh
Voted In By AJ, Gary, Josh
Brand:
ES#:
4623665
Mfg#:
017491LAKT
Build-Your-Own Universal Vacuum-Actuated Valved Mufflers Kit
Choose between a 2.5" or 3.0" valved mufflers to complete your custom exhaust.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Derek
Voted In By Derek
Brand:
ES#:
4715424
Mfg#:
044081LA01
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
In Stock
In Stock
MQB Cast Aluminum Intercooler Upgrade
Bolt on up to +37 WHP / +5 WTQ and drop inlet temps with our In-House Engineered OE-Location Intercooler Upgrade!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Matt
Voted In By Matt
Brand:
ES#:
4690715
Mfg#:
015120LA01KT
B8/C7 Center Differential And Axle Plug Delete Kit
A 100% reversible Quattro to RWD kit.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Please make sure via VIN that your Center Diff part number is 0B2 409 755 L
Voted In By Josh
Please make sure via VIN that your Center Diff part number is 0B2 409 755 L
Voted In By Josh
Brand:
ES#:
4508908
Mfg#:
012535LAKT
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Jul 6, 2026
Auto Notify
Ships on Jul 6, 2026
B5 S4 Center Differential Delete - NO WELDING NEEDED
Easily allows the removal of center differential when converting your B5 S4 to RWD (rear wheel drive) from Quattro
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Josh
Voted In By Josh
Brand:
ES#:
4637661
Mfg#:
015434LA01A
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Oct 13, 2026
Ships on Oct 13, 2026
B8/C7 Center Differential Delete - NO WELDING NEEDED
Easily allows the removal of center differential when converting your B8 S4 to RWD (rear wheel drive) from Quattro
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
100% reversible RWD kit when paired with our Axle Delete Plugs (ES4373491) Please make sure via VIN that
Voted In By Josh
100% reversible RWD kit when paired with our Axle Delete Plugs (ES4373491) Please make sure via VIN that
Voted In By Josh
Brand:
ES#:
4375353
Mfg#:
012535LA01
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Jul 6, 2026
Auto Notify
Ships on Jul 6, 2026
Front Axle Delete Plug Set - Audi B5/B6/B7 - M16 Thread
Easily allows the removal of front axles when converting your B5/B6/B7 to RWD (rear wheel drive) from Quattro
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
From VIN 8D-1-050001, split is in the 2001 model year
Voted In By Josh
From VIN 8D-1-050001, split is in the 2001 model year
Voted In By Josh
Brand:
ES#:
4375715
Mfg#:
012417LA01
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Aug 10, 2026
Auto Notify
Ships on Aug 10, 2026
Front Axle Delete Plug Set - Audi B8/C7
Easily allows the removal of front axles when converting your B8 A4/S4 to RWD (rear wheel drive) from Quattro
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
100% reversible RWD kit when paired with our Center Diff Delete (ES4375353)
Voted In By Josh
100% reversible RWD kit when paired with our Center Diff Delete (ES4375353)
Voted In By Josh
Brand:
ES#:
4373491
Mfg#:
012590LA01
Front Axle Delete Plug Set - Audi B5 A4 - M14 Thread
Easily allows the removal of front axles when converting your B5 A4 to RWD (rear wheel drive) from Quattro
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Up To VIN 8D-1-050001, split is in the 2001 model year
Voted In By Josh
Up To VIN 8D-1-050001, split is in the 2001 model year
Voted In By Josh
Brand:
ES#:
4491559
Mfg#:
012417LA02
Chassis Mount Short Throw Shifter
The ULTIMATE shifter upgrade for your BMW! Experience more precise throws, less shift lever travel, and an all-around transformation in your shifting experience.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By AJ, Bill, Bryan, Gary, Joe, Tyler, Josh
Voted In By AJ, Bill, Bryan, Gary, Joe, Tyler, Josh
Brand:
ES#:
4839952
Mfg#:
049570LA01KT
Choose how many gift cards you would like below. You can set the denomination in your cart during checkout.
Availability:
Ships on Nov 3, 2026
Auto Notify
Ships on Nov 3, 2026
G42/G87 Carbon Fiber High-Rise Rear Spoiler & Adjustable Gurney Flap
Add functionality and flavor to the exterior of your 2 Series! This high-rise carbon fiber spoiler provides aggressive styling and unparalleled performance—all without requiring modification to your trunk lid!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Bill, Brent, Caleb, Collin, Derek, Eric, Gary, Joe, Ricardo, Josh
Voted In By Bill, Brent, Caleb, Collin, Derek, Eric, Gary, Joe, Ricardo, Josh
Brand:
ES#:
4745589
Mfg#:
050455LA01KT
E36 LTW Inspired Carbon Spoiler - Coupe
A beautiful carbon fiber spoiler inspired by the E36 lightweight that features a versatile appearance and installs with no drilling or permanent modification to your trunk!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Caleb, Collin, Derek, Gary, Mike, Tom, Tyler, Josh
Voted In By Caleb, Collin, Derek, Gary, Mike, Tom, Tyler, Josh
Brand:
ES#:
4766031
Mfg#:
008781LA01KT
E36 LTW Inspired Carbon Spoiler - Sedan
A beautiful carbon fiber spoiler inspired by the E36 lightweight that features a versatile appearance and installs with no drilling or permanent modification to your trunk!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Caleb, Collin, Derek, Gary, Mike, Tom, Tyler, Josh
Voted In By Caleb, Collin, Derek, Gary, Mike, Tom, Tyler, Josh
Brand:
ES#:
4780290
Mfg#:
008781LA02KT
E36 M3 Street Flow Rear Diffuser
Add-on diffuser to deliver a true motorsport look to your M3. Fastens seamlessly to the bottom of the rear bumper giving a platform to show off your exhaust and complete the rear end of the E36.
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Voted In By Derek & Josh
Voted In By Derek & Josh
Brand:
ES#:
4736871
Mfg#:
047602LA01KT