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HKS Downpipes

For maximum exhaust flow and quicker turbo spool up, HKS offers downpipes for racing use. Each mandrel bent down pipe is a bolt-on application that will mount to the stock turbo and/or to a HKS turbo upgrade kit. Certain HKS Downpipe applications are made from coated stainless steel or polished SUS304 stainless steel piping. All HKS down pipes are FOR OFF ROAD USE ONLY.

All Mazda HKS Downpipes
View All Mazda RX-7 Downpipes
Mazda RX-7MSRPPrice
(1986-1992) 75mm$332.00$298.80  Add to Cart
(1993-1995) 75mm$375.00$333.75  Add to Cart
All Mitsubishi HKS Downpipes
View All Mitsubishi EVO Downpipes
Mitsubishi EVOMSRPPrice
(2003-2006) 65mm$552.00$491.28  Add to Cart
(2003-2004) w/HKS Turbo Kit Only$395.00$355.50  Add to Cart
(2008 and up) 65mm$299.00$255.35  Add to Cart
Ralliart - 65mm$299.00$255.35  Add to Cart
View All Mitsubishi Lancer Downpipes
Mitsubishi LancerMSRPPrice
(2009) Ralliart - 65mm$299.00$255.35  Add to Cart
All Nissan HKS Downpipes
View All Nissan 240SX Downpipes
Nissan 240SXMSRPPrice
(1989-1994) 75mm- MT$231.00$197.27  Add to Cart
(1995-1998) 75mm$246.00$210.08  Add to Cart
75mm- Stainless$414.00$353.56  Add to Cart
All Subaru HKS Downpipes
View All Subaru STi Downpipes
Subaru STiMSRPPrice
(2004-2007) 75mm- Stainless$225.00$192.15  Add to Cart
(2008 and up) Hatch- 75mm- Stainless$560.00$478.24  Add to Cart
View All Subaru WRX Downpipes
Subaru WRXMSRPPrice
(2002-2006) 75mm- Stainless$225.00$192.15  Add to Cart
Catless)$490.00$418.46  Add to Cart
(2008 and up) Hatch- 75mm- Stainless$560.00$478.24  Add to Cart
All Toyota HKS Downpipes
View All Toyota Supra Downpipes
Toyota SupraMSRPPrice
(1986-1992) 75mm$281.00$250.09  Add to Cart
(1993-1998) 75mm$246.00$218.94  Add to Cart
HKS Downpipe Reviews
  (9.1 of 10) 8 Reviews    Write Review
1001/08/2009SupraGreat part for now as a BPU Supra can still be use when I go single Turbo vs others that would eventually have to go this route
1010/06/2008Suprahp gain was ok , it sounds awsome fitment is easy ,exactly what i wanted.
1010/26/2006WRXFits great, allows use of stock heatsheild on turbo and increased boost on my car 4-5lbs, great sound and ease of install, would highly recommednd to anyone with an Subaru
808/04/2006SupraThe build quality is good. The only thing not right with it is you have to get the elbow seperate, and if you plan on big power, look elsewhere to a pipe with the elbow integrated. The gains over the stock pipe were noticable and immediate. It spools much quicker and will peg the stock gauge, when before it was only about 5 psi.
806/17/2006Suprathis downpipe is very well made and it looks great. the only bad thing about it is that its only 2.5" at the turbo. i payed for a 3" pipe so i thought thats what i was getting.
806/09/2004SupraThe HKS dp fits like stock. While it's not a FULL 3" dp it performs way better than stock. If your in a bind with cash and need one asap it's not a bad choice. If I had to do it again (I might anyway)I'd save up more money and get a better one. The only other thing I don't like about it besides not being a full 3" is that it's aluminized steel not stainless.

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Parts Available: 3103-RZ003, 3103-RZ001, 3306-SM002, 11999-KM002, 33006-DM001, 33006-DM001, 33006-DM001, 3103-RN003, 3103-RN013, 3306-SN002, 33006-BF001, 33006-BF003, 33006-BF001, 33006-BF002, 33006-BF003, 3103-RT003, 3103-RT006