ApexBuilt® B58 5" Resonated Mini-Cat Downpipe (B58-B58TU3, 2016+)

$1,387.00

From $1,387.00

No check engine light, guaranteed. Aftermarket tune not required.

ApexBuilt® BMW/GR Supra B58 Resonated Mini-Cat Downpipes offer...

• Industry-leading build quality.

• Perfect fitment, guaranteed.

• Drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note versus OEM.

• GESI 400 Cell cats, 49 state emissions compliance

• Estimated gains of 20-25+ wheel horsepower and 30-35+ TQ when installed on a vehicle that is not tuned.

• Estimated gains of 45+ HP and 50+ TQ over stock power levels when paired with an aftermarket ECU tune.

• TIG-welded T304 stainless steel construction, assembled by hand in Naples FL.

• Lifetime warranty.

PLEASE NOTE:

These these parts are for OFF ROAD / RACE USE ONLY. We advise you to run a tune on your vehicle for best results.

FAQ

Fitment details & applicable part numbers

Replaces OEM Part Number(s):

BMW/Toyota

BMW:
18328682788
18328631625
18328660990

Toyota:
25051-WAA02
25051-WAA07

Fits these vehicles:

Fitment data provided by RealOEM

1' F20 LCI (09/2015 — 06/2019)
1' F21 LCI (09/2015 — 06/2019)
2' F22 (09/2015 — 06/2017)
2' F22 LCI (09/2016 — 12/2019)
2' F23 (09/2015 — 06/2017)
2' F23 LCI (10/2016 — 12/2019)
3' F30 LCI (10/2014 — 10/2018)
3' F34 GT LCI (09/2015 — 12/2019)
4' F32 LCI (05/2016 — 12/2019)
4' F33 LCI (05/2016 — 12/2019)
4' F36 Gran Coupé (03/2015 — 02/2017)
4' F36 Gran Coupé LCI (05/2016 — 12/2019)
5' G30 (11/2015 — 06/2019)
5' G31 (03/2016 — 06/2019)
5' G38 (02/2016 — 08/2019)
6' G32 GT (09/2016 — 06/2019)
7' G12 (10/2014 — 02/2019)
X3 G01 (10/2016 — 07/2019)
X4 G02 (03/2017 — 07/2019)
3' G20 (01/2018 — 12/2019)
3' G21 (10/2018 — 12/2019)
Z4 G29 (01/2018 — 12/2019)
X5 G05 (10/2017 — 01/2020)
X6 G06 (06/2018 — 01/2020)
X7 G07 (11/2017 — 01/2020)