Catalytic Converter Installation Kit
Contains all of the hardware you need to install a new catalytic converter on your A4
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Brand:
ES#:
2575492
Mfg#:
1H0253115DKT1
Hot Bolt Paste - 170g
Paste for bolted joints. Eases loosening of hot bolts
Brand:
ES#:
6005
Mfg#:
G052112A3
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Availability:
In Stock
In Stock
Turbocharger Installation Kit
Includes all gaskets and hardware
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Brand:
ES#:
2587494
Mfg#:
8E0253115DKT
Universal Muffler - Priced Each
Configuration: Center/Offset, Length: 14in, Overall Length: 20in, Inlet/Outlet ID: 2.25/2.25, 2.5 OD. Finish: Satin
Brand:
ES#:
2613879
Mfg#:
13215
Rear Muffler Hanger
Secures the muffler to the vehicle
For the right side muffler
Brand:
ES#:
493182
Mfg#:
8E0253144M
Cat-Back Installation Kit
Includes hardware to bolt up your cat-back system
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Brand:
ES#:
2587760
Mfg#:
N0102478KT
Center Pipe / Midsection Installation Kit
Includes the gasket, clamp and hardware
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Brand:
ES#:
2587734
Mfg#:
357253141AKT4
Cat-Back Installation Kit
Includes hardware to bolt up your cat-back system
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Brand:
ES#:
2587761
Mfg#:
N91130801KT
Universal Flex Section (2.5 X 12) - Priced Each
Stainless steel flex section that measures 2.5 x 12
Brand:
ES#:
263579
Mfg#:
8849
Innovate LC-2 Wideband O2 Controller Kit
Includes Lambda cable & 8-foot sensor cable.
Brand:
ES#:
4809696
Mfg#:
38770
Rear Muffler / Axle-Back Installation Kit
Includes both rear muffler clamps
Brand:
ES#:
2587745
Mfg#:
191253141MKT
Valve Spring - Priced Each
Keeps your valves closed
Up to VIN 8E-7-278000, split is in the 2007 model year
Brand:
ES#:
281139
Mfg#:
06F109623
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Availability:
In Stock
In Stock
Hi-Temp Silicone Coating - Black
The High Temperature (HT) Silicone Coating provides lasting protection for any hot surface up to 1500 degrees. Ground ship only.
Hazardous materials - Only ships to Continental USA via UPS Ground*
Brand:
ES#:
3619060
Mfg#:
010301KT
Oxygen Sensor - Left (Cylinders 4-6)
Found before the catalytic converter
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We Price Match - Give Us A Call or Chat!
We Price Match - Give Us A Call or Chat!
Brand:
ES#:
2162754
Mfg#:
1K0998262N
3" V-Band to Straight
T304 Stainless Steel Tubing T316 Stainless Steel V-Band Flange
Brand:
ES#:
4362267
Mfg#:
UH001-EX7
Quick Release V-Band Clamp - Priced Each
Made of T304 stainless steel - Fits V-band flanges up to 3.85" OD
Brand:
ES#:
2739496
Mfg#:
1491C
3" V-Band Straight Adjustable Link
Unitronic's 3" V-Band Straight Adjustable Link is the ideal part to match any 3" downpipe and 3" cat-back equipped with V-Band fastening systems.
Brand:
ES#:
4362266
Mfg#:
UH001-EX4
Universal Y Pipe Adapter - 2.5" (63mm)
Perfect for when you need to connect a single muffler to dual piping or add two tips to your single muffler!
Brand:
ES#:
5457411
Mfg#:
VTD.YPIPE.63MM
3" V-Band to 60mm Reducer
T304 Stainless Steel Tubing T316 Stainless Steel V-Band Flanges
Brand:
ES#:
4362265
Mfg#:
UH001-EX3
Oxygen Sensor - Left (Cylinders 4-6)
Found before the catalytic converter
Brand:
ES#:
3419356
Mfg#:
1K0998262N
3" V-Band to 55mm Reducer
T304 Stainless Steel Tubing, T316 Stainless Steel V-Band Flange
Brand:
ES#:
4362278
Mfg#:
UH002-EX3
Muffler Hanger
Secures the muffler to the vehicle
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Brand:
ES#:
2892215
Mfg#:
8E0253144AF
K03 Turbocharger (06D145701J)
Restore your boost levels and get going!
Brand:
ES#:
3130701
Mfg#:
06D145701J
Direct-Fit Catalytic Converter
Keep your emissions in check
*Not legal for sale, installation or use on vehicles registered in the state of California or Colorado*
New York & Federal Compliant. Not for use in California or Colorado.
New York & Federal Compliant. Not for use in California or Colorado.
Brand:
ES#:
2618131
Mfg#:
24190
K03 Turbocharger With ECS Installation Kit (06D145701J)
Restore your boost levels and get going!
Brand:
ES#:
3143326
Mfg#:
06D145701JKT1
Turbocharger Installation Kit
Includes all gaskets and hardware
Brand:
ES#:
2587493
Mfg#:
N0445203KT
Muffler Hanger
Secures the muffler to the vehicle
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Brand:
ES#:
2892216
Mfg#:
8E0253144AG
Dual Drive Oxygen Sensor Wrench
Tool comes with both 1/2" and 3/8" drive.
Brand:
ES#:
2944218
Mfg#:
LIS12390
7 Piece Sensor Socket Set
Perfect kit for unique sensors throughout the car.
Brand:
ES#:
2947301
Mfg#:
OTC4673
Universal Y Pipe Adapter - 3.0" (76mm)
Perfect for when you need to connect a single muffler to dual piping or add two tips to your single muffler!
Brand:
ES#:
5457412
Mfg#:
VTD.YPIPE.76MM
MBRP Universal Tip
2.5 inch to 4.5 Dual Walled Angled Rolled End
Brand:
ES#:
4818836
Mfg#:
MBRPT5161
Oxygen Sensor Tool - Angled Handle - 7/8" - Bavarian Autosport
Slotted, pivoting head has both hexagon and double hexagon drive. Angled handle reaches around obstructions.
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Brand:
ES#:
3673911
Mfg#:
B8800066
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Availability:
Ships on Sep 1, 2026
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Ships on Sep 1, 2026
Bolt - Priced Each
This bolt is what holds down the heat shield away from the turbocharger
Brand:
ES#:
467992
Mfg#:
N10335202
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Availability:
Ships in 1-2 days
Ships in 1-2 days
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Availability:
Ships in 1-2 days
Ships in 1-2 days
Rear Muffler Hanger
Secures the muffler to the vehicle
For the left side muffler
Brand:
ES#:
251037
Mfg#:
4B0253144K
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Availability:
Ships in 2 Business Days
Ships in 2 Business Days
Oxygen Sensor -Left (Cylinders 4-6)
Found before the catalytic converter
Brand:
ES#:
319091
Mfg#:
1K0998262N
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Availability:
Ships in 2 Business Days
Ships in 2 Business Days
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Availability:
Ships in 6 Business Days
Ships in 6 Business Days
Universal Catalytic Converter - 2.25"
2.25" inlet/outlet, 14" length of converter itself, 6" width & 4" height
Brand:
ES#:
4005308
Mfg#:
602205
Rear Muffler Hanger
Secures the muffler to the vehicle
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Brand:
ES#:
2568102
Mfg#:
4B0253144K
Universal Catalytic Converter - 3"
3" inlet/outlet, 14" length of converter itself, 6" width & 4" height
Brand:
ES#:
4388
Mfg#:
6907
Center Pipe / Midsection Installation Kit
Includes the gasket, clamp and hardware
10X Entries For Our 25th Anniversary Sweepstakes!
Brand:
ES#:
2587733
Mfg#:
1H0253115CKT
Universal Flex Section (2.5 X 4) - Priced Each
Stainless steel flex section that measures 2.5 ID x 4 - Overall Length
Brand:
ES#:
1876751
Mfg#:
8822
Universal Flex Section (3 X 6) - Priced Each
Stainless steel flex section that measures 3 x 10 - Overall Length
Brand:
ES#:
3542
Mfg#:
8852
Locking Tool For Stainless Steel Zip Ties
Secure stainless steel zip ties with ease!
Brand:
ES#:
3022274
Mfg#:
PSSLTT
