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Amazon Best Sellers
Our most popular products based on sales. Updated hourly.
Best Sellers in
Automotive Performance Emission Systems
#1
Mishimoto Transition Coupler, 0.875" to 1.125", Black
4.7 out of 5 stars
460
$6.95
-
$27.74
#2
Spectre Performance 5339 PCV Breather Grommet
4.6 out of 5 stars
511
$7.63
#3
Spectre Performance 8741 Black 3" Air Duct Hose
4.6 out of 5 stars
387
$19.99
#4
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: Fits 2014-2020 Chevy/GMC/Cadillac (Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon, Yukon Denali, Escalade) V8,63-3082
4.7 out of 5 stars
1,195
$251.67
#5
Edelbrock EDL4403 Pro-Flo Black Round Breather, Multi, One Size
4.7 out of 5 stars
284
$11.99
#6
Spectre Performance 4276 1-1/4" Push-In Breather with Grommet
4.5 out of 5 stars
287
$6.99
#7
Spectre Performance SPE-9771 Black 4" Intake Coupler
4.7 out of 5 stars
347
$14.99
#8
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: Fits 2014-2020 Chevy/GMC/Cadillac (Silverado 1500, Suburban, Tahoe, Sierra 1500, Yukon, Yukon Denali, Escalade) 77-3082KP
4.7 out of 5 stars
633
$245.55
#9
Spectre - SPE-4954 Performance 4954 Air Cleaner Riser Kit
4.6 out of 5 stars
344
$9.99
#10
Allstar Performance (ALL40340) Vacuum Line, 5'
4.7 out of 5 stars
187
$4.99
-
$46.98
#11
Spectre Performance SPE-9741 Black 4" x 3.5" Intake Coupler
4.6 out of 5 stars
260
$14.99
#12
Spectre Performance 8791 3" ID 90 Degree Boot
4.4 out of 5 stars
133
$19.99
#13
Mishimoto Straight Silicone Coupler - 2.5" x 1.25", Black
4.6 out of 5 stars
227
$6.95
-
$27.74
#14
Spectre Performance 9781 Black 4" 90 Degree Boot
4.6 out of 5 stars
254
$23.95
#15
Spectre Performance 9541 Black 3.5" to 3" Intake Coupler
4.6 out of 5 stars
147
$14.51
#16
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: Fits 2011-2014 Ford F150, 3.5L V6,57-2583
4.6 out of 5 stars
148
$299.99
#17
Spectre Performance SPE-97490 97490 4" 45° Aluminum Elbow with 7" Leg
4.6 out of 5 stars
37
$38.51
#18
Spectre Performance 9719 6" Straight Aluminum Intake Tube, Model:SPE-9719
4.6 out of 5 stars
145
$12.99
#19
Vibrant 2691 Black Anodized Aluminum Vacuum Manifold
4.9 out of 5 stars
61
$42.98
#20
Spectre Performance (9148) 4" Duct Mounting Plate
4.5 out of 5 stars
159
$6.99
#21
Spectre Performance 9705 4" Aluminum Mass Air Flow Sensor Adapter Kit
4.0 out of 5 stars
126
$29.99
#22
Spectre Performance 9419 3" ID Aluminum Intake Tube
4.6 out of 5 stars
87
$12.99
#23
Spectre Performance 4208 Low Profile Air Cleaner Nut
4.6 out of 5 stars
98
$7.99
#24
Spectre Performance 8711 Vacuum Sensor Adapter Kit
4.1 out of 5 stars
95
$6.99
#25
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: Fits 2012-2019 Toyota Tundra 5.7L V8,63-9036
4.5 out of 5 stars
160
$299.99
#26
Spectre Performance 4300 3/4" Standard Push-In Breather
4.5 out of 5 stars
127
$11.06
#27
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: Fits 1999-2004 Chevy/GMC (Silverado 1500, Sierra 1500) 4.8L and 5.3L V8, 77-3021KP
4.6 out of 5 stars
161
$249.19
-
$584.62
#28
Spectre Performance 9761 Black 4" x 3" Intake Coupler (SPE-9761)
4.7 out of 5 stars
97
$14.99
#29
Spectre Performance 3991 Black 9mm Breather Filter
4.6 out of 5 stars
168
$12.25
#30
Spectre Performance SPE-42851 Black Push-In Breather
4.4 out of 5 stars
104
$17.99
#31
K&N Vent Air Filter/ Breather: High Performance, Premium, Washable, Replacement Engine Filter: Flange Diameter: 0.75 In, Filter Height: 1.125 In, Flange Length: 0.4375 In, Shape: Breather, 62-1560
4.3 out of 5 stars
55
$25.94
#32
PCV Valve, Push-In Smooth with Grommet (Polished Aluminum)
4.7 out of 5 stars
30
$18.43
#33
Spectre Performance SPE-733 Low Profile Air Box Kit
4.4 out of 5 stars
49
$145.89
#34
Spectre Performance 8771 3-3/2.5" Intake Coupler
4.5 out of 5 stars
186
$9.61
#35
Mishimoto MMHOSE-SUB-ITBBK Silicone Throttle Body Hose Compatible With Subaru WRX 2008-2014 Black
4.7 out of 5 stars
160
$55.10
-
$89.92
#36
Spectre Performance SPE-42876 ExtraFlow Blue Breather
4.6 out of 5 stars
65
$18.92
#37
Spectre Performance 8751 Black 3" to 2.5" Intake Coupler
4.4 out of 5 stars
133
$9.58
#38
AIRAID 200-996 Airaid Mit; Chev. Trucks, 2007-2014, W/Elect. Cooling Fan
4.5 out of 5 stars
317
$159.99
#39
Spectre Performance 9571 Black 3.5" Intake Coupler
4.5 out of 5 stars
55
$17.26
#40
Mopar 53032531AE PCV Valve Grommet
4.8 out of 5 stars
22
$26.77
#41
BBK Performance BBK 1780 78mm Throttle Intake - High Flow Power Plus Series for Ford Mustang GT 4.6L 2V - Charcoal Finish
4.7 out of 5 stars
72
$292.17
#42
Edelbrock 4204 Elite Series Push-In Rectangular Breather
4.6 out of 5 stars
87
$24.95
#43
Spectre Performance (97701) 22 Degree Intake Coupler
3.9 out of 5 stars
17
$18.39
#44
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: Fits 2015-2019 Ford F150, 2.7L V6,63-2593
4.7 out of 5 stars
234
$212.50
#45
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: Fits 2011-2019 Jeep/Dodge (Grand Cherokee, Durango) 5.7L V8,63-1563
4.7 out of 5 stars
115
$280.99
#46
Airaid AIR-100-400 UBI (U-Build-It) Intake Kit
4.5 out of 5 stars
46
$122.07
#47
Spectre Performance (SPE-98625) 14" Low Profile ProFab Inlet Kit
4.5 out of 5 stars
3
$95.05
#48
AEM (AEM-2-002-00) 2.75" Diameter 36" Long Aluminum Straight Pipe
4.2 out of 5 stars
34
$36.99
-
$62.88
#49
Spectre Performance SPE-9849 4" Single Air Intake Plenum
4.8 out of 5 stars
96
$82.85
#50
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: Fits 1996-2000 Chevy/GMC (C2500, C3500, K2500, K3500, Suburban) 7.4L V8,57-3016-1
4.1 out of 5 stars
20
$345.99
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