HKS Silent Hi Power Exhaust - Skyline R34 GTT Shock Absorbers 50-200-86: -6AN to -8AN Discharge

50-200-86: -6AN to -8AN Discharge Fitting

and can be also used in conjunction with aftermarket springs

All HKB kits are designed to be plug and play

Optional accessories that are sold separately include a -10 ORB fitting inlet pre-filter (for use with in-tank installations)

Furthermore

HKS Silent Hi Power Exhaust - Skyline R34 GTT Shock Absorbers 50-200-86: -6AN to -8AN DischargeHKS specializes in aftermarket high performance parts and is perhaps the most well known aftermarket brand in the world. Formed in 1973, and named after the founders Hasegawa, Kitagawa, and Sigma, HKS began tuning engines and cars. Their vision was to tune and manufacture engine components that surpasses OE Manufacturers. HKS Silent Hi Power exhaust systems offer the same high performance and sporty appearence that you'd exepct, but with reduced noise