• HKS Silent Hi-Power Cat Back Exhaust Mazda RX-7 1986-1991 | 31019-AZ001

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Silent Hi-Power Cat-Back Exhaust 1986-1991 Mazda RX-7

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HKS Silent Hi-Power Cat-Back Exhaust 1986-1991 Mazda RX-7
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Fitment

Please Note: Fits turbo 13B-T FC3S models only; will not fit non-turbo RX-7 models. Single left-side rear exit. HKS catalog model year 85/09-91/11 (US model years 1986-1991); the closest fitment bucket available is 1986-1992 Mazda | RX-7.
  • 1986-1992 Mazda | RX-7

Description

The HKS Silent Hi-Power cat-back exhaust system is built for the turbocharged Mazda RX-7 FC3S (13B-T). The 75mm mandrel-bent center pipe is SUS304 stainless steel and exits through a single 120mm HP (TYPE-H) tip on the driver side. A silent chamber in the muffler cuts low-frequency cabin drone while the straight-through structure keeps performance intact, measuring 99 dB close and 87 dB at idle per HKS catalog data.

  • Silent Hi-Power cat-back exhaust for 1986-1991 Mazda RX-7 (FC3S, 13B-T turbo)
  • 75mm center pipe, SUS304 stainless steel construction
  • Single left-side rear exit with 120mm polished HP (TYPE-H) tip
  • Silent chamber reduces in-cabin drone without hurting performance
  • Direct bolt-on using factory hangers; hardware included
  • HKS part 31019-AZ001

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