Everything you need to install a new downpipe/catalytic converter.
- Brand:
-
- ES#:
- 4780568
- Mfg#:
-
18328612537KT4
$110.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
For cylinders 4-6
- Brand:
-
- ES#:
- 3189530
- Mfg#:
-
674-973
$857.99 USD
Lifetime Replacement
Keep your emissions in check. Primary cat in exhaust manifold. Rated for legal use and resale in California.
- Brand:
-
- ES#:
- 4460777
- Mfg#:
-
4481664
- EO#:
- D-193-139
$3201.00 USD
Free Shipping
Lifetime Replacement
Includes $114 core charge
- Brand:
-
- ES#:
- 2581163
- Mfg#:
-
18407522554KT
$3088.99 USD
Free Shipping
Lifetime Replacement
Includes a $50.00 refundable core charge
- Brand:
-
- ES#:
- 2628567
- Mfg#:
-
18301247143KT
$3026.99 USD
Lifetime Replacement
Includes refundable $325.00 core charge.
- Brand:
-
- ES#:
- 3105581
- Mfg#:
-
18327848150
$2503.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
For cylinders 1-3.
- Brand:
-
- ES#:
- 3189529
- Mfg#:
-
674-972
$717.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Everything you need to install your factory downpipe/catalytic converter.
10X Entries For Our 25th Anniversary Sweepstakes!
- Brand:
-
- ES#:
- 4770389
- Mfg#:
-
18328612537KT
ON SALE!
$103.99
This product was last offered at the strikethrough price on
03-10-2026
$96.69 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Price includes $50 core charge
- Brand:
-
- ES#:
- 2857515
- Mfg#:
-
18301435664KT
$1932.99 USD
Lifetime Replacement
Gasket just before the catalytic converter
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
- Brand:
-
- ES#:
- 3448131
- Mfg#:
-
18307581970
$20.99
This product was last offered at the strikethrough price on
04-29-2026
$14.55 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Secures the the catalytic converter before the mid-pipe.
- Brand:
-
- ES#:
- 3015922
- Mfg#:
-
18327850430
3% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$69.99
This product was last offered at the strikethrough price on
08-10-2026
$67.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Keep your emissions in check.
48-state legal - not for sale or use in California
- Brand:
-
- ES#:
- 4491387
- Mfg#:
-
52258
$882.00 USD
Free Shipping
Lifetime Replacement
D=70Mm
- Brand:
-
- ES#:
- 4181770
- Mfg#:
-
18308053348
2% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$45.99
This product was last offered at the strikethrough price on
08-10-2026
$44.99 USD
Free Shipping
on orders $49 and up
Lifetime Replacement
Keep your emissions in check
48-state legal - not for sale or use in California
- Brand:
-
- ES#:
- 2614988
- Mfg#:
-
50407
$1383.00 USD
Free Shipping
Lifetime Replacement
Keep your emissions in check
48-state legal - not for sale or use in California
- Brand:
-
- ES#:
- 2616025
- Mfg#:
-
50408
$1315.00 USD
Free Shipping
Lifetime Replacement
Keep your emissions in check
48-state legal - not for sale or use in California
- Brand:
-
- ES#:
- 2617056
- Mfg#:
-
49763
$1242.00 USD
Free Shipping
Lifetime Replacement
