4 Inlet
Brands
4to1 (2in/3out) Billet Merge Collector
Regular price
$430.00
Sale price
$430.00
Regular price
Unit price
/per
Very popular with the Promod drag racers. Holds up much better than welded collectors, that reportedly fail continuously in heavy drag racing use.
The ultimate part for making exhaust manifolds for...
4to1 (T4 Single / 1.5" Sch10, 2" Sch10) Billet Merge Collector with Wastegate
Regular price
$350.00
Sale price
$350.00
Regular price
Unit price
/per
The ultimate part for making exhaust manifolds for maximum performance. Featuring smooth transitions, and exact dimensions for the best flow possible. This translates into less back pressure, and...
4to1 (T4 Single / 1.5" Sch10) Billet Merge Collector with Wastegate
Regular price
$350.00
Sale price
$350.00
Regular price
Unit price
/per
The ultimate part for making exhaust manifolds for maximum performance. Featuring smooth transitions, and exact dimensions for the best flow possible. This translates into less back pressure, and...
4to1 T3 Twin 42.4x2mm Billet Merge Collector
Regular price
$350.00
Sale price
$350.00
Regular price
Unit price
/per
The ultimate part for making exhaust manifolds for maximum performance. Featuring smooth transitions, and exact dimensions for the best flow possible. This translates into less back pressure, and m...
4to1 (T3 / 1.5" Sch10) Billet Merge Collector
Regular price
$350.00
Sale price
$350.00
Regular price
Unit price
/per
The ultimate part for making exhaust manifolds for maximum performance. Featuring smooth transitions, and exact dimensions for the best flow possible. This translates into less back pressure, and...
4to1 (T3 / 1.25" Sch10) Billet Merge Collector
Regular price
$340.00
Sale price
$340.00
Regular price
Unit price
/per
The ultimate part for making exhaust manifolds for maximum performance. Featuring smooth transitions, and exact dimensions for the best flow possible. This translates into less back pressure, and...
4to1 (Tial V-Band/1.25 Sch10) Billet Merge Collector
Regular price
$275.00
Sale price
$275.00
Regular price
Unit price
/per
The ultimate part for making exhaust manifolds for maximum performance. Featuring smooth transitions, and exact dimensions for the best flow possible. This translates into less back pressure, and m...
4to1 (Tial V-Band/1.25 Sch40) Billet Merge Collector
Regular price
$275.00
Sale price
$275.00
Regular price
Unit price
/per
The ultimate part for making exhaust manifolds for maximum performance. Featuring smooth transitions, and exact dimensions for the best flow possible. This translates into less back pressure, and...
4to1 (2.5in/4out) Billet Merge Collector
Regular price
$645.00
Sale price
$645.00
Regular price
Unit price
/per
Very popular with the Promod drag racers. Holds up much better than welded collectors, that reportedly fail continuously in heavy drag racing use.
The ultimate part for making exhaust manifolds for...
4to1 (2.5in/3.5out) Billet Merge Collector
Regular price
$645.00
Sale price
$645.00
Regular price
Unit price
/per
Very popular with the Promod drag racers. Holds up much better than welded collectors, that reportedly fail continuously in heavy drag racing use.
The ultimate part for making exhaust manifolds for...
4to1 (2.25in/3.5out) Billet Merge Collector
Regular price
$550.00
Sale price
$550.00
Regular price
Unit price
/per
Very popular with the Promod drag racers. Holds up much better than welded collectors, that reportedly fail continuously in heavy drag racing use.
The ultimate part for making exhaust manifolds for...
4to1 (2in/3.5out) Billet Merge Collector
Regular price
$450.00
Sale price
$450.00
Regular price
Unit price
/per
Very popular with the Promod drag racers. Holds up much better than welded collectors, that reportedly fail continuously in heavy drag racing use.
The ultimate part for making exhaust manifolds for...
4to1 (2.625in/4out) Billet Merge Collector
Regular price
$680.00
Sale price
$680.00
Regular price
Unit price
/per
Very popular with the Promod drag racers. Holds up much better than welded collectors, that reportedly fail continuously in heavy drag racing use.
The ultimate part for making exhaust manifolds for...
4to1 (1.75in/2.25out) Billet Merge Collector
Regular price
$425.00
Sale price
$425.00
Regular price
Unit price
/per
Very popular with the Promod drag racers. Holds up much better than welded collectors, that reportedly fail continuously in heavy drag racing use.
The ultimate part for making exhaust manifolds for...
4to1 (2.125in/3out) Billet Merge Collector
Regular price
$500.00
Sale price
$500.00
Regular price
Unit price
/per
Very popular with the Promod drag racers. Holds up much better than welded collectors, that reportedly fail continuously in heavy drag racing use.
The ultimate part for making exhaust manifolds for...
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